Documents

• Resources

Procurement Guide 4.0 (EU)

Explains the use of the CO₂ Performance Ladder as a procurement tool.

• Normative

CO₂ Performance Ladder Version 4.0 | Certification Regulation

Outlines requirements for certification bodies, auditors and audits.

• Normative

CO₂ Performance Ladder Version 4.0 | Step 3

Handbook 4.0, step 3.

• Normative

CO₂ Performance Ladder Version 4.0 | Step 2

Handbook 4.0, step 2.

• Normative

CO₂ Performance Ladder Version 4.0 | Step 1

Handbook 4.0 - Step 1.

• Normative

Handbook 3.1 CO₂ Performance Ladder

All requirements for a CO₂ Performance Ladder certificate.

• Resources

Innovative Application on Carbon Label and Carbon Reduction Integrated Supply Chain Management

One Planet Network Sustainable Public Procurement Program and International Green Purchasing Network.

• Normative

Version 4.0 - Harmonisation Act 3 | Less recent base year permitted in the case of legal requirements

• Research

The Innovation Impact of CO₂PL-Based Public Procurement

2026, Utrecht University Centre for Public Procurement (UUCePP)