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Evidence request lists

ISO 20400:2017 - Sustainable Procurement

Evidence request list. 40 controls, 40 carrying auditor artefact guidance. Generated from the compliance knowledge graph on 11 September 2026. Published by The Art of Service.

Clause 4: Understanding the Fundamentals of Sustainable Procurement

ISO-20400-4.1
Concept of sustainable procurement

Explains the concept of sustainable procurement and how it considers environmental, social, and economic impacts across the life cycle.

Artefacts an auditor will ask for
  • sustainable procurement policy
  • supplier code of conduct
  • spend category sustainability assessment
  • supplier evaluation scorecard
Where this commonly fails
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
  • insufficient buyer training
  • gaps in contract sustainability clauses
ISO-20400-4.2
Principles of sustainable procurement

Defines core principles including accountability, transparency, respect for human rights, and ethical behaviour.

Artefacts an auditor will ask for
  • supplier evaluation scorecard
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
Where this commonly fails
  • missing supplier sustainability assessment
  • insufficient buyer training
  • gaps in contract sustainability clauses
ISO-20400-4.3
Core subjects of sustainable procurement

Describes the core sustainability subjects aligned with ISO 26000 including governance, human rights, labour, environment, and fair practices.

Artefacts an auditor will ask for
  • supplier evaluation scorecard
  • contract clause library
  • procurement KPI dashboard
Where this commonly fails
  • incomplete performance monitoring
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
  • insufficient buyer training
ISO-20400-4.4
Drivers for sustainable procurement

Identifies external and internal factors driving organizations to adopt sustainable procurement practices.

Artefacts an auditor will ask for
  • sustainable procurement policy
  • supplier code of conduct
  • spend category sustainability assessment
Where this commonly fails
  • insufficient buyer training
  • gaps in contract sustainability clauses
  • incomplete performance monitoring
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
ISO-20400-4.5
Key considerations for sustainable procurement

Describes key considerations including risk management, life cycle perspective, due diligence, and stakeholder expectations.

Artefacts an auditor will ask for
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
  • supplier code of conduct
Where this commonly fails
  • missing supplier sustainability assessment
  • insufficient buyer training
  • gaps in contract sustainability clauses
  • incomplete performance monitoring
  • weak leadership commitment evidence

Clause 5: Setting the Strategic Direction for Sustainable Procurement

ISO-20400-5.1
Commitment from leadership

Requires top management to demonstrate commitment to integrating sustainability into procurement strategy and governance.

Artefacts an auditor will ask for
  • supplier code of conduct
  • spend category sustainability assessment
  • supplier evaluation scorecard
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
Where this commonly fails
  • insufficient buyer training
  • gaps in contract sustainability clauses
  • incomplete performance monitoring
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
ISO-20400-5.2
Aligning procurement with organizational objectives

Guidance on ensuring procurement strategies support broader organizational sustainability goals and policies.

Artefacts an auditor will ask for
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
  • supplier code of conduct
  • spend category sustainability assessment
Where this commonly fails
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
  • insufficient buyer training
  • gaps in contract sustainability clauses
ISO-20400-5.3
Measuring and improving sustainable procurement performance

Requires establishment of measurable objectives and indicators to track sustainable procurement progress.

Artefacts an auditor will ask for
  • spend category sustainability assessment
  • supplier evaluation scorecard
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
  • supplier code of conduct
Where this commonly fails
  • insufficient buyer training
  • gaps in contract sustainability clauses
  • incomplete performance monitoring
ISO-20400-5.4
Stakeholder engagement in procurement strategy

Guidance on engaging internal and external stakeholders in shaping sustainable procurement strategy.

Artefacts an auditor will ask for
  • supplier evaluation scorecard
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
Where this commonly fails
  • incomplete performance monitoring
  • weak leadership commitment evidence
  • missing supplier sustainability assessment

Clause 6: Organizing the Procurement Function for Sustainability

ISO-20400-6.1
Governance and management systems

Describes organizational conditions and management techniques needed to implement and improve sustainable procurement.

Artefacts an auditor will ask for
  • procurement KPI dashboard
  • sustainable procurement policy
  • supplier code of conduct
  • spend category sustainability assessment
Where this commonly fails
  • gaps in contract sustainability clauses
  • incomplete performance monitoring
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
ISO-20400-6.2
Building capacity and competence

Requires organizations to build procurement staff competence in sustainability issues through training and development.

Artefacts an auditor will ask for
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
  • supplier code of conduct
Where this commonly fails
  • incomplete performance monitoring
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
ISO-20400-6.3
Engaging suppliers on sustainability

Guidance on developing supplier relationships that promote sustainability throughout the supply chain.

Artefacts an auditor will ask for
  • sustainable procurement policy
  • supplier code of conduct
  • spend category sustainability assessment
  • supplier evaluation scorecard
  • contract clause library
Where this commonly fails
  • missing supplier sustainability assessment
  • insufficient buyer training
  • gaps in contract sustainability clauses
  • incomplete performance monitoring
ISO-20400-6.4
Cross-functional collaboration

Requires collaboration across organizational functions to integrate sustainability into procurement decisions.

Artefacts an auditor will ask for
  • supplier code of conduct
  • spend category sustainability assessment
  • supplier evaluation scorecard
  • contract clause library
  • procurement KPI dashboard
Where this commonly fails
  • gaps in contract sustainability clauses
  • incomplete performance monitoring
  • weak leadership commitment evidence
ISO-20400-6.5
Monitoring and continuous improvement

Requires systematic monitoring, evaluation, and improvement of sustainable procurement practices and outcomes.

Artefacts an auditor will ask for
  • spend category sustainability assessment
  • supplier evaluation scorecard
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
Where this commonly fails
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
  • insufficient buyer training

Clause 7: Integrating Sustainability into the Procurement Process

ISO-20400-7.1
Planning

Guidance on incorporating sustainability criteria into procurement planning, including needs analysis and market research.

Artefacts an auditor will ask for
  • supplier evaluation scorecard
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
  • supplier code of conduct
  • spend category sustainability assessment
Where this commonly fails
  • insufficient buyer training
  • gaps in contract sustainability clauses
  • incomplete performance monitoring
ISO-20400-7.2
Integrating sustainability into specifications

Guidance on defining sustainability requirements in product and service specifications and tender documents.

Artefacts an auditor will ask for
  • spend category sustainability assessment
  • supplier evaluation scorecard
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
  • supplier code of conduct
Where this commonly fails
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
  • insufficient buyer training
ISO-20400-7.3
Supplier selection

Guidance on evaluating suppliers against sustainability criteria during the selection and award process.

Artefacts an auditor will ask for
  • procurement KPI dashboard
  • sustainable procurement policy
  • supplier code of conduct
  • spend category sustainability assessment
Where this commonly fails
  • gaps in contract sustainability clauses
  • incomplete performance monitoring
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
ISO-20400-7.4
Contract management and review

Guidance on embedding sustainability performance requirements in contracts and monitoring supplier compliance.

Artefacts an auditor will ask for
  • supplier evaluation scorecard
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
  • supplier code of conduct
Where this commonly fails
  • incomplete performance monitoring
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
  • insufficient buyer training
ISO-20400-7.5
Reviewing and learning

Requires review of procurement outcomes to capture lessons learned and improve future sustainable procurement processes.

Artefacts an auditor will ask for
  • contract clause library
  • procurement KPI dashboard
  • sustainable procurement policy
  • supplier code of conduct
  • spend category sustainability assessment
Where this commonly fails
  • gaps in contract sustainability clauses
  • incomplete performance monitoring
  • weak leadership commitment evidence
  • missing supplier sustainability assessment
  • insufficient buyer training

Foundation

ISO20400-4.1
Understanding the fundamentals of sustainable procurement

Establish baseline understanding of sustainable procurement concepts, drivers, and how procurement contributes to sustainability outcomes.

Artefacts an auditor will ask for
  • Sustainable procurement primer
  • Training records
  • Concept glossary
  • Briefing decks
Where this commonly fails
  • No shared definition of sustainable procurement
  • Awareness limited to procurement team
ISO20400-4.2
Core subjects of sustainability

Address ISO 26000 core subjects across governance, human rights, labour, environment, fair operating practices, consumer issues, and community.

Artefacts an auditor will ask for
  • ISO 26000 mapping matrix
  • Materiality assessment
  • Issue register
Where this commonly fails
  • Selective coverage of core subjects
  • No materiality basis
ISO20400-4.3
Drivers for sustainable procurement

Identify internal and external drivers including regulation, stakeholder expectations, risk, and value creation.

Artefacts an auditor will ask for
  • Driver analysis
  • PESTLE
  • Stakeholder map
Where this commonly fails
  • Drivers not refreshed
  • Stakeholder views not captured
ISO20400-4.4
Key considerations for sustainable procurement

Apply due diligence, complicity avoidance, sphere of influence, supply chain transparency, and life cycle thinking.

Artefacts an auditor will ask for
  • Due diligence procedure
  • Supply chain map
  • LCA references
Where this commonly fails
  • Tier 2+ visibility absent
  • Lifecycle not applied

Organising

ISO20400-6.1
Governing procurement

Establish governance structures, procedures, and decision rights for sustainable procurement.

Artefacts an auditor will ask for
  • Governance charter
  • Procurement procedures
  • DoA
Where this commonly fails
  • No sustainability gates in DoA
  • Procedures silent on sustainability
ISO20400-6.2
Enabling people

Provide capability, competence, training, and incentives for staff to deliver sustainable procurement.

Artefacts an auditor will ask for
  • Competency framework
  • Training plan
  • KPI linkage
Where this commonly fails
  • No buyer training
  • Incentives reward cost only
ISO20400-6.3
Identifying and engaging stakeholders

Operationalise stakeholder engagement within procurement lifecycle including suppliers and end users.

Artefacts an auditor will ask for
  • Supplier forum minutes
  • User surveys
  • Engagement plan
Where this commonly fails
  • Engagement bypasses suppliers
  • User needs not captured
ISO20400-6.4
Setting procurement priorities

Translate organisational priorities into procurement-specific priorities at category and sourcing-event level.

Artefacts an auditor will ask for
  • Category strategies
  • Sourcing plans
  • Priority matrix
Where this commonly fails
  • Categories not refreshed
  • Sourcing plans omit sustainability
ISO20400-6.5
Measuring and improving procurement performance

Measure procurement performance against sustainability KPIs and feed results into continual improvement.

Artefacts an auditor will ask for
  • KPI dashboard
  • Quarterly review packs
  • CAPA log
Where this commonly fails
  • KPIs not reviewed
  • No corrective action
ISO20400-6.6
Establishing a grievance mechanism

Provide accessible grievance channels for suppliers, workers, and communities affected by procurement.

Artefacts an auditor will ask for
  • Grievance procedure
  • Channel records
  • Remedy log
Where this commonly fails
  • No grievance channel for workers
  • Cases not remediated

Policy

ISO20400-5.1
Policy and strategy commitment

Top management commits to sustainable procurement via policy aligned with organisational strategy and values.

Artefacts an auditor will ask for
  • Sustainable procurement policy
  • Board approval
  • Strategy alignment note
Where this commonly fails
  • Policy not signed by leadership
  • Disconnected from strategy
ISO20400-5.2
Clarifying accountability

Define accountability for sustainable procurement outcomes across executive, procurement, and business unit roles.

Artefacts an auditor will ask for
  • RACI
  • Role descriptions
  • Charter
Where this commonly fails
  • No named owner
  • Accountability sits only in procurement
ISO20400-5.3
Aligning procurement with organisational objectives

Translate sustainability commitments into procurement objectives, KPIs, and category strategies.

Artefacts an auditor will ask for
  • Procurement strategy
  • KPI dashboard
  • Category plans
Where this commonly fails
  • KPIs absent or vanity
  • Categories untouched
ISO20400-5.4
Stakeholder engagement

Identify and engage internal and external stakeholders in shaping sustainable procurement priorities.

Artefacts an auditor will ask for
  • Stakeholder register
  • Engagement plan
  • Workshop minutes
Where this commonly fails
  • Engagement one-off
  • No feedback loop
ISO20400-5.5
Setting priorities

Prioritise sustainability issues by materiality, spend, risk, and influence to focus effort where impact is greatest.

Artefacts an auditor will ask for
  • Priority matrix
  • Spend analysis
  • Risk heatmap
Where this commonly fails
  • Priorities not data-driven
  • Low spend areas overweighted
ISO20400-5.6
Measuring and improving performance

Define metrics, targets, and review cycles for sustainable procurement performance with continual improvement.

Artefacts an auditor will ask for
  • KPI definitions
  • Targets register
  • Improvement log
Where this commonly fails
  • No targets
  • Improvements not tracked

Process

ISO20400-7.1
Planning the procurement process

Integrate sustainability into procurement planning including need analysis, market analysis, and risk assessment.

Artefacts an auditor will ask for
  • Procurement plan
  • Market analysis
  • Risk assessment
Where this commonly fails
  • Need analysis skipped
  • Risk assessment formulaic
ISO20400-7.2
Integrating sustainability into specifications

Embed sustainability criteria in technical specifications, performance requirements, and outcomes.

Artefacts an auditor will ask for
  • Spec templates
  • Criteria library
  • Outcome statements
Where this commonly fails
  • Boilerplate specs
  • No outcome focus
ISO20400-7.3
Selecting suppliers

Apply sustainability criteria in supplier prequalification, selection, and award decisions.

Artefacts an auditor will ask for
  • PQQ
  • Evaluation matrix
  • Award memo
Where this commonly fails
  • Sustainability score is tokenistic
  • Award still cost-led
ISO20400-7.4
Managing the contract

Embed sustainability clauses, KPIs, and review cadences in contracts and manage performance against them.

Artefacts an auditor will ask for
  • Contract clauses
  • SLA register
  • Performance reviews
Where this commonly fails
  • Clauses unenforced
  • KPIs not measured
ISO20400-7.5
Reviewing and learning from the contract

Conduct post-contract reviews to capture sustainability outcomes, lessons learned, and improvement opportunities.

Artefacts an auditor will ask for
  • Post-contract review
  • Lessons log
  • Improvement actions
Where this commonly fails
  • Reviews skipped
  • Lessons not shared
Assembled from the framework's own control set. Every line traces to a control in the graph, so this pack is regenerated rather than written, and stays current as the graph does.

Assembled from the framework’s own control set, so this list is regenerated rather than written and stays current as the graph does.