Sustainable, Responsible and Global Sourcing

Introduction and Context

Procurement has traditionally focused on obtaining the required quality, quantity and price at the right time. Contemporary sourcing expands this responsibility. Organisations are now expected to understand how purchasing decisions affect climate change, resource depletion, labour rights, communities, market competition and corporate integrity. Sustainable, responsible and global sourcing therefore treats procurement as a strategic activity rather than a transactional buying function.

Sustainable sourcing integrates environmental, social and economic considerations throughout the supply relationship. Responsible sourcing adds explicit attention to ethical conduct, human rights, labour standards, anti-corruption and accountability. Global sourcing involves obtaining goods and services across national borders, requiring managers to address trade rules, logistics, currency, political risk, cultural differences and supply-chain resilience.

These objectives may conflict. A distant supplier may offer a low unit price but generate higher transport emissions and greater geopolitical exposure. A recycled material may have a higher purchase price but reduce waste and regulatory risk. A supplier in a developing economy may provide valuable employment while requiring stronger controls over wages, working hours and worker safety. Professional procurement therefore requires structured analysis rather than slogans or isolated supplier certifications.

Learning Objectives

By the end of this chapter, learners should be able to:

1. Explain sustainable, responsible and global sourcing and distinguish their purposes.
2. Apply environmental, social and governance (ESG) criteria to supplier selection.
3. Design circular procurement requirements and evaluate life-cycle value.
4. Estimate procurement-related carbon emissions and interpret carbon information cautiously.
5. Integrate human rights, ethical conduct and supplier diversity into sourcing.
6. Analyse international trade, logistics, currency and geopolitical risks.
7. Develop supplier evaluation, contracting, monitoring and remediation approaches.
8. Critically assess the limitations of sustainability claims, audits and procurement metrics.

1. The Conceptual Foundations of Responsible Sourcing

1.1 Sustainable development and the triple bottom line

Sustainable development seeks to meet present needs without undermining the ability of future generations to meet their needs. In procurement, this principle is translated into three connected dimensions:

• Environmental performance: greenhouse-gas emissions, energy, water, biodiversity, pollution, waste and material use.
• Social performance: human rights, labour conditions, health and safety, community effects, inclusion and supplier diversity.
• Economic performance: total cost, quality, continuity of supply, innovation, productivity and long-term value.

The three dimensions are not independent. Poor labour conditions can produce strikes, recalls and reputational damage; environmental pollution can cause fines and production interruption; financially weak suppliers may lack resources for safer equipment or cleaner technology.

1.2 ESG and procurement governance

ESG is a governance and reporting framework used to understand an organisation’s material environmental and social impacts and the way those impacts are governed. Procurement contributes to ESG through specifications, supplier qualification, tender evaluation, contract clauses, performance reviews and corrective action.

Governance includes delegated authority, conflict-of-interest controls, approval limits, audit trails, whistle-blowing channels, anti-bribery controls and accurate sustainability claims. A supplier code of conduct is useful only when it is communicated, contractually incorporated, monitored and linked to proportionate consequences and support.

A materiality assessment helps prioritise issues. An issue is material when it may significantly affect stakeholders, organisational performance, legal compliance or the organisation’s environmental and social impacts. Procurement teams should consider both financial materiality and impact materiality rather than assuming that the cheapest measurable risk is the most important risk.

1.3 Stakeholder and life-cycle perspectives

Stakeholder theory emphasises that procurement decisions affect more than the buying organisation and its immediate supplier. Relevant stakeholders may include workers, communities, customers, regulators, investors, logistics providers, future generations and ecosystems.

Life-cycle thinking examines impacts from raw-material extraction through processing, manufacture, transport, use, maintenance and end-of-life. It prevents a narrow focus on the purchase price. However, life-cycle analysis requires boundaries, assumptions and reliable data. Results should therefore be presented with their scope and uncertainty rather than as unquestionable facts.

2. Building ESG Criteria into Sourcing

2.1 From policy to sourcing practice

A robust process moves through five stages:

1. Prioritisation: identify categories and suppliers with significant environmental, social, commercial or legal exposure.
2. Specification: convert priorities into measurable requirements, such as recycled content, energy performance, labour safeguards or repairability.
3. Market engagement: consult suppliers about technical feasibility, cost, innovation and transition periods.
4. Evaluation and award: use transparent weighted criteria and minimum compliance thresholds.
5. Contract management: monitor performance, verify evidence, address non-conformance and improve continuously.

Minimum requirements should be separated from scored criteria. For example, compliance with applicable labour law and anti-bribery requirements may be mandatory, whereas renewable-energy use or advanced packaging reduction may be scored competitively.

2.2 Supplier evaluation

A supplier scorecard can combine commercial and ESG criteria. A simple weighted score is:

where S is the total score, wᵢ is the weight assigned to criterion i, rᵢ is the supplier’s normalised rating for criterion i, and n is the number of criteria. Weights should sum to 1 (or 100%), and ratings must use the same scale. This model assumes criteria are sufficiently independent for an additive comparison and that poor performance on a critical issue is not hidden by high scores elsewhere. Critical criteria should therefore have pass/fail thresholds or maximum allowable risk levels.

Illustrative scorecard:

Ratings should be evidence-based. A certificate may provide useful assurance but does not prove that every facility, subcontractor or production period complies with the desired standard.

2.3 Supplier due diligence

Due diligence is a risk-based, continuing process rather than a one-time questionnaire. It normally includes:

• mapping suppliers, sites, materials and lower-tier dependencies;
• identifying actual and potential adverse impacts;
• preventing or mitigating impacts;
• tracking results with appropriate indicators;
• communicating actions and results; and
• providing or cooperating with remediation when harm occurs.

Risk prioritisation may consider severity, likelihood, leverage and the organisation’s contribution or connection to harm. Severe risks—such as forced labour, dangerous working conditions or serious pollution—should receive priority even when their probability is difficult to estimate.

3. Circular Procurement

3.1 From linear to circular systems

A linear model follows “take, make, use and dispose.” Circular procurement seeks to keep products, components and materials at their highest practical value for longer. It can involve buying services rather than products, leasing, sharing, remanufacturing, repair, refurbishment, reuse, take-back and recycling.

Circularity should be considered at the design and specification stage. Important requirements include durability, modularity, spare-parts availability, disassembly, material identification, interoperability, recycled content and recovery arrangements. Procurement must avoid transferring environmental burdens elsewhere—for example, buying a supposedly recyclable product that cannot be collected or processed in the actual operating market.

3.2 Circular procurement strategies

Circular models change commercial risks. A leasing arrangement may reduce material waste but create supplier lock-in, data dependence or disputes about residual value. Contracts should define ownership, maintenance, performance, return conditions, data access and end-of-life responsibilities.

4. Carbon and Environmental Considerations

4.1 Emissions boundaries

Procurement-related emissions may include direct emissions from owned operations, purchased-energy emissions and value-chain emissions associated with purchased goods, services, transport, use and disposal. Scope classifications should follow the relevant organisational greenhouse-gas accounting framework and be stated clearly.

A basic activity-data calculation is:

where E is emissions, usually expressed in kg CO₂e; A is activity data, such as tonnes of material, kilowatt-hours or tonne-kilometres; and EF is the applicable emission factor, such as kg CO₂e per tonne, kWh or tonne-kilometre. Units must be compatible. The calculation assumes that the emission factor is appropriate to the geography, technology, time period and system boundary.

For several activities:

Carbon dioxide equivalent (CO₂e) expresses different greenhouse gases using their comparable climate-warming effect under a specified assessment convention. It does not mean that all environmental impacts have been reduced to carbon; water scarcity, toxicity, biodiversity and social effects require separate consideration.

4.2 Worked carbon example

An organisation purchases 10 tonnes of a material. The supplier provides an emission factor of 2.4 kg CO₂e per kg of material. Transport adds 600 tonne-kilometres at 0.09 kg CO₂e per tonne-kilometre.

Material emissions:

10 tonnes = 10,000 kg

E_material = 10,000 × 2.4 = 24,000 kg CO₂e

Transport emissions:

E_transport = 600 × 0.09 = 54 kg CO₂e

Therefore:

E_total = 24,000 + 54 = 24,054 kg CO₂e, or approximately 24.054 tonnes CO₂e.

This result is only as reliable as the data and boundaries. The material factor may be an industry average rather than a verified supplier-specific value, and transport may exclude warehousing, empty returns or first-mile movements.

4.3 Carbon in sourcing decisions

Carbon should be integrated into total-value decisions, not used as a false precision mechanism. Buyers can request product carbon footprints, renewable-energy evidence, process-efficiency data and reduction plans. They should distinguish:

• measured reductions from offsets;
• absolute reductions from reductions in emissions intensity;
• supplier claims from independently verified data; and
• operational emissions from embodied emissions.

A lower-carbon supplier is not automatically preferable if it has serious labour abuses, unreliable quality or an unacceptable continuity risk. Multi-criteria decisions are therefore essential.

5. Human Rights, Ethical Conduct and Supplier Diversity

5.1 Human rights in supply chains

Human-rights risks can occur in agriculture, mining, construction, manufacturing, logistics, cleaning and outsourced services. Common risks include forced labour, child labour, recruitment-fee debt, discrimination, excessive working hours, withheld wages, unsafe workplaces, restrictions on freedom of association and harm to indigenous or local communities.

A credible programme combines supplier requirements with worker-centred evidence. Useful mechanisms include confidential worker interviews, accessible grievance channels, wage and hour records, safety inspections, recruitment-agent controls and remediation plans. Audits alone are limited: workers may be coached, records may be falsified, and short visits may miss seasonal or subcontracted labour.

Remediation should be proportionate and should not automatically terminate a supplier when termination would leave affected workers worse off. Serious abuses require urgent action, protection of complainants and appropriate escalation. Buyers should also examine whether their own purchasing practices—unrealistic prices, sudden order changes or excessive lead-time pressure—contribute to labour violations.

5.2 Ethical procurement and anti-corruption

Ethical procurement requires impartiality, transparency, confidentiality and avoidance of conflicts of interest. Controls should cover gifts and hospitality, facilitation payments, bid information, collusion, undisclosed relationships and post-employment conflicts. Segregation of duties is important: the person defining the need should not have unchecked control over supplier selection, receipt and payment.

Supplier codes should be consistent with applicable law and recognised labour and anti-corruption principles. They should define reporting routes, investigation procedures, records retention and consequences. Procurement professionals must also protect commercially sensitive information and personal data when collecting ESG evidence.

5.3 Supplier diversity

Supplier diversity involves purposeful inclusion of businesses such as small and medium-sized enterprises, women-owned enterprises, minority-owned enterprises, social enterprises, local firms and enterprises owned by persons with disabilities, according to the relevant legal and cultural context.

Effective practice includes unbundling large contracts where feasible, simplifying qualification requirements, paying promptly, publishing opportunities widely, offering supplier-development support and measuring awards as well as actual spend. Diversity targets must not undermine competition or legal procurement requirements. Tokenistic registration without accessible opportunities does not constitute meaningful inclusion.

6. Global Sourcing and International Trade

6.1 Benefits and trade-offs

Global sourcing can provide access to specialised technology, lower-cost production, scarce materials, innovation and expanded supply capacity. It can also increase lead times, inventory exposure, cultural complexity, regulatory obligations, transport emissions, information asymmetry and vulnerability to disruption.

The sourcing decision should compare total landed cost and total risk, not just the supplier’s quoted price. A basic landed-cost structure is:

where each term represents a cost in a common currency. Depending on the transaction, taxes may be recoverable and should not be treated as a cost; risk may be modelled separately rather than inserted as an arbitrary amount. The formula is a decision framework, not an accounting rule, and must reflect the agreed delivery term and transaction structure.

6.2 Trade compliance

International sourcing requires accurate classification, origin determination, valuation, licensing and documentation. Procurement should coordinate with customs, legal and logistics specialists on:

• tariff classification and applicable duty rates;
• rules of origin and preferential trade agreements;
• import and export controls and sanctions;
• customs valuation and transfer-pricing implications;
• product safety, labelling and technical regulations;
• modern-slavery and environmental import requirements; and
• documentary evidence, record retention and broker governance.

Incoterms® allocate specified responsibilities, costs and risks between seller and buyer, but they do not determine ownership, payment terms, product conformity or all legal obligations. The selected term must therefore be consistent with insurance, transport control, customs capability and the desired transfer point for risk.

6.3 Logistics and inventory implications

Global supply chains need realistic lead-time models covering production, consolidation, port handling, customs, inland transport and disruption buffers. Longer and more variable lead times increase pipeline inventory. If average demand during lead time is dL and safety stock is SS, a simple reorder point is:

This formula assumes demand and lead-time units are compatible and that the chosen safety stock adequately reflects uncertainty. It is not a complete inventory policy where demand, lead time or service requirements are highly variable.

Resilience measures include dual sourcing, regional alternatives, approved substitutes, strategic stock, supplier business-continuity plans, logistics-route diversification and visibility into critical lower-tier suppliers. Resilience is not the same as holding excessive inventory; it is the capacity to prepare for, absorb and recover from disruption.

7. Currency, Geopolitical and Financial Risk

7.1 Currency exposure

A buyer paying a foreign supplier faces transaction exposure when the exchange rate changes between commitment and settlement. If the foreign-currency amount is F and the domestic-currency price per unit of foreign currency is R, the domestic cost is:

For example, an invoice of €100,000 at 1.08 domestic currency units per euro costs 108,000 domestic currency units. At 1.12, it costs 112,000, an increase of 4,000. The calculation assumes the quoted rate is expressed as domestic currency per euro and excludes bank charges and hedging costs.

Responses include currency clauses, shorter quotation validity, natural hedges, forward contracts, options, multi-currency pricing and negotiated sharing of exchange-rate movements. Financial hedging should be authorised by treasury specialists; procurement should not create unauthorised speculative positions.

7.2 Geopolitical risk

Geopolitical risk includes sanctions, conflict, export restrictions, political instability, border closures, industrial policy, resource nationalism, cyber incidents and abrupt regulatory change. Assessment should examine country, sector, supplier, route and dependency risks. A low-risk country does not guarantee a low-risk supplier, and a high-risk country does not mean that every supplier is unacceptable.

Scenario planning is useful. For example, a team can model a port closure, a tariff increase, a sanctions change and a supplier insolvency. For each scenario, it should identify triggers, exposure, response owners, alternatives, decision time and recovery requirements. Risk registers should be living management tools rather than static compliance documents.

8. Technology, Data and AI in Responsible Sourcing

Digital procurement platforms can connect supplier records, certifications, emissions data, audit findings, shipment information and risk alerts. Traceability technologies may improve chain-of-custody evidence, but a digital record does not automatically prove that the underlying information is true.

AI can support supplier discovery, document classification, anomaly detection, spend analysis, risk screening and scenario modelling. Human judgement remains necessary because data may be incomplete, biased, outdated or generated from unreliable sources. Organisations should establish data ownership, validation rules, explainability, privacy safeguards, cybersecurity controls and human review. Automated exclusion of suppliers based on opaque risk scores may create discrimination, deny due process or penalise small suppliers with limited reporting capacity.

9. Illustrative Case: Responsible Global Sourcing of Protective Equipment

Background

A fictional healthcare distributor, MedSure, purchases protective gowns from three regions. Supplier A offers the lowest unit price but relies on a single port and provides limited information about subcontractors. Supplier B is more expensive, has audited factories, publishes energy data and operates two production sites. Supplier C is a smaller local supplier using recycled packaging but has limited capacity.

Problem

MedSure’s existing contract focuses on price and delivery. A customer has requested evidence of labour due diligence and product carbon information. At the same time, port disruption and currency volatility threaten supply continuity.

Analysis

The procurement team maps the chain from polymer production to garment manufacture, packaging, shipping and disposal. It identifies forced-labour risk in recruitment, chemical and waste risks in production, transport dependence, currency exposure and end-of-life waste. It also observes that a factory audit alone cannot verify recruitment practices or conditions at subcontractors.

The team establishes mandatory requirements: legal compliance, no forced or child labour, worker grievance access, disclosure of production sites, product conformity, sanctions compliance and business-continuity planning. Scored criteria include verified emissions data, recycled or reduced packaging, repair or reuse potential where technically feasible, delivery resilience, total landed cost and supplier-diversity contribution.

Approach and solution

MedSure awards a primary share to Supplier B and a qualified secondary share to Supplier C, subject to capacity development and quality validation. Supplier A is not automatically rejected; it receives a time-bound corrective-action plan requiring subcontractor disclosure, recruitment-fee controls, worker interviews and a continuity plan. Failure to address severe findings permits suspension or termination.

The contract includes a price-adjustment mechanism for defined raw-material movements, currency review points, delivery-performance measures, audit and access rights, grievance protection, emissions-data methodology, packaging take-back and a requirement to notify MedSure of material site changes. MedSure also commits to more stable order forecasts and reasonable lead times so its own purchasing behaviour does not intensify labour pressure.

Outcome

After twelve months, MedSure reduces dependence on one port, improves evidence concerning working conditions and lowers packaging waste. Unit purchase price rises slightly, but total landed-cost volatility and emergency freight decline. The company does not claim that all human-rights risks have been eliminated; instead, it reports improved traceability, open corrective actions and remaining data limitations.

Learning points

1. The cheapest quotation may not be the lowest total-value option.
2. Responsible sourcing requires leverage, remediation and buyer accountability.
3. Supplier diversification must be balanced with capability and quality control.
4. Carbon information needs defined boundaries and data-quality assessment.
5. Contracts should convert policy commitments into operational duties and evidence.

10. Challenges, Limitations and Best Practices

Sustainable sourcing faces several persistent limitations. Supplier data may be inconsistent, voluntary labels may vary in credibility, audits may miss hidden conditions, and small suppliers may lack reporting resources. Environmental and social objectives can conflict, while excessive requirements can reduce competition or shift production to less visible suppliers. Measurement can also encourage gaming: suppliers may optimise reported indicators without improving real-world outcomes.

Best practice is therefore proportionate and improvement-oriented:

• prioritise material risks rather than collecting unlimited data;
• define evidence, boundaries and calculation methods;
• combine documents, site evidence and worker voice;
• use minimum safeguards for severe risks;
• include sustainability in specifications and contract management;
• engage suppliers early and provide feasible transition pathways;
• collaborate with peers where common standards reduce duplication;
• monitor outcomes, not only policies and certificates;
• protect whistle-blowers and ensure credible remediation;
• review purchasing practices that may cause adverse impacts;
• maintain trade, sanctions, currency and continuity controls; and
• communicate claims accurately, including uncertainty and unresolved issues.

Chapter Summary

Sustainable, responsible and global sourcing expands procurement from price-centred purchasing to the management of environmental, social, ethical and strategic value. ESG criteria should be prioritised through materiality, translated into specifications, evaluated with transparent scorecards and managed through evidence-based contracts. Circular procurement seeks to preserve products and materials through reduction, reuse, repair, refurbishment, remanufacture, service models and responsible recovery.

Carbon calculations require clear boundaries, compatible units and credible emission factors. Human-rights due diligence must identify, prevent, mitigate and remediate harm, while recognising that audits alone are insufficient. Supplier diversity is meaningful when procurement creates accessible opportunities and measures actual participation. Global sourcing requires analysis of landed cost, trade compliance, logistics, currency, geopolitical exposure and resilience. Technology and AI can improve visibility but cannot replace governance, data validation and professional judgement. The central managerial lesson is that responsible sourcing is a continuing system of decisions, relationships, controls and learning—not a single certification or tender criterion.

Key Terms

Sustainable sourcing: Purchasing that integrates long-term environmental, social and economic value.

Responsible sourcing: Sourcing that addresses ethical conduct, human rights, labour standards and accountability.

ESG: Environmental, social and governance considerations used to assess organisational impacts and management.

Materiality: The significance of an issue to impacts, stakeholders, compliance or organisational performance.

Life-cycle thinking: Assessment of impacts across extraction, production, use and end-of-life.

Circular procurement: Procurement designed to reduce waste and retain product, component and material value.

Carbon dioxide equivalent (CO₂e): A common unit expressing greenhouse-gas effects under a specified assessment convention.

Emission factor: A factor converting activity data into estimated emissions.

Human-rights due diligence: A continuing process for identifying, preventing, mitigating and addressing adverse impacts.

Remediation: Action to correct or compensate for harm and restore affected parties where appropriate.

Supplier diversity: Meaningful inclusion of varied and traditionally under-represented supplier groups.

Total landed cost: Purchase and associated logistics, border, handling, inventory and other relevant costs.

Incoterms®: Standardised trade terms allocating specified delivery responsibilities, costs and risks.

Transaction exposure: Risk that exchange-rate movements change the domestic cost of a foreign-currency transaction.

Geopolitical risk: Exposure arising from political, regulatory, conflict, sanctions or international-relations events.

Supply-chain resilience: The ability to prepare for, absorb, adapt to and recover from disruption.

Supplier code of conduct: Documented expectations for supplier ethical, social, environmental and governance performance.

Product carbon footprint: Estimated greenhouse-gas emissions associated with a product under defined boundaries.

Review Questions

Short Answer Questions

1. Distinguish sustainable sourcing from responsible sourcing.
2. Why should critical ESG criteria sometimes be treated as pass/fail requirements?
3. Identify four circular procurement strategies.
4. What information is required to use the formula E = A × EF?
5. Why are supplier audits alone insufficient for human-rights due diligence?

Long Answer Questions

1. Explain how an organisation can integrate ESG criteria from category strategy through contract management.
2. Discuss the benefits and risks of circular procurement models.
3. Analyse the main trade-offs between domestic and global sourcing.
4. Explain how procurement can address human rights while avoiding purely punitive supplier relationships.
5. Evaluate the role of technology and AI in responsible sourcing, including governance limitations.

Analytical / Application Questions

1. A supplier offers a 7% lower price but uses a single politically exposed route, provides weak labour evidence and has no emissions data. Develop a structured evaluation and recommendation.
2. Design a scorecard for sourcing a major packaging category. Include weights, minimum requirements, evidence and monitoring indicators.
3. An organisation imports €250,000 of goods. Compare its domestic-currency cost at exchange rates of 1.06 and 1.11 domestic units per euro, and recommend procurement and treasury controls for the exposure.

Multiple Choice Questions with Answers

Question 1

Which statement best describes sustainable sourcing?

A. Selecting the supplier with the lowest quoted unit price

B. Integrating environmental, social and economic considerations into sourcing decisions

C. Purchasing only from domestic suppliers

D. Using environmental certification as the sole award criterion

Correct Answer: B. Integrating environmental, social and economic considerations into sourcing decisions

Question 2

In a weighted supplier score, what must normally be true of the criterion weights?

A. They must all be identical

B. They must sum to 100% or 1

C. They must be expressed only in currency

D. They must exclude quality criteria

Correct Answer: B. They must sum to 100% or 1

Question 3

What is the principal purpose of life-cycle thinking?

A. To assess only the supplier’s purchase price

B. To examine impacts across relevant stages from extraction to end-of-life

C. To eliminate the need for supplier monitoring

D. To calculate exchange-rate exposure

Correct Answer: B. To examine impacts across relevant stages from extraction to end-of-life

Question 4

A purchase involves 2,000 kg of material with an emission factor of 1.5 kg CO₂e per kg. What are the estimated material emissions?

A. 300 kg CO₂e

B. 1,333 kg CO₂e

C. 3,000 kg CO₂e

D. 30,000 kg CO₂e

Correct Answer: C. 3,000 kg CO₂e

Question 5

Which practice is most consistent with circular procurement?

A. Specifying single-use products without recovery requirements

B. Buying products solely on initial price

C. Requiring durability, repairability and spare-parts availability

D. Disposing of returned products regardless of condition

Correct Answer: C. Requiring durability, repairability and spare-parts availability

Question 6

Why should human-rights due diligence be continuous?

A. Supplier risks and operating conditions can change over time

B. One audit automatically expires every week

C. It eliminates the need for contracts

D. It guarantees that no adverse impact can occur

Correct Answer: A. Supplier risks and operating conditions can change over time

Question 7

Which cost is most likely part of total landed cost?

A. Only the supplier’s factory price

B. Purchase, transport, duty, handling and relevant inventory costs

C. The buyer’s annual advertising budget

D. Only the supplier’s profit margin

Correct Answer: B. Purchase, transport, duty, handling and relevant inventory costs

Question 8

An invoice is €100,000 and the exchange rate is 1.10 domestic currency units per euro. What is the domestic-currency cost before fees?

A. 90,909

B. 100,000

C. 110,000

D. 210,000

Correct Answer: C. 110,000

Question 9

Which statement about Incoterms® is correct?

A. They determine every aspect of ownership and payment

B. They allocate specified delivery responsibilities, costs and risks

C. They replace sanctions screening

D. They guarantee product quality

Correct Answer: B. They allocate specified delivery responsibilities, costs and risks

Question 10

Which is the strongest reason not to rely exclusively on supplier certificates?

A. Certificates are always illegal

B. Certificates may not cover all sites, subcontractors, periods or actual conditions

C. Certificates contain no information at all

D. Certificates eliminate competition

Correct Answer: B. Certificates may not cover all sites, subcontractors, periods or actual conditions