CSDDDUpcomingSupply-chain due diligence

Corporate Sustainability Due Diligence Directive

Directive (EU) 2024/1760, amended by (EU) 2026/470

See if the new high thresholds catch you, then build the due-diligence cycle.

Install in your assistant
# 1. Tell Claude or ChatGPT
Walk me through Corporate Sustainability Due Diligence Directive compliance.
# or point any agent at the raw skill
$curl https://regulatory-skills.com/skills/csddd/SKILL.md
Key date

First application 26 July 2029

Post-Omnibus scope (Directive (EU) 2026/470): EU companies above 5,000 employees and EUR 1.5bn turnover; non-EU above EUR 1.5bn EU turnover. Transposition by 26 July 2028.

What this skill does

Checks whether the post-Omnibus thresholds catch you, then walks the six-step due-diligence cycle mapped to your business, ending in a gap map and a dated action plan.

Who it is for: Legal, procurement, sustainability and risk teams at very large EU and non-EU companies.

The guided flow

  1. 1Applicability check against the post-Omnibus thresholds
  2. 2Embed due diligence in policy and management
  3. 3Identify and assess adverse impacts at your direct partners
  4. 4Prevent, mitigate, remediate and run a grievance mechanism
  5. 5Monitor, communicate and build a dated action plan

What it asks you for

  • Group headcount and worldwide or EU turnover
  • A map of your direct (tier-1) business partners
  • Any existing supplier code or due-diligence process

What you get back

  • A scope determination
  • A six-step due-diligence gap map
  • A dated action plan to the 2029 milestone

Install it in your assistant

In Claude

  1. Download the SKILL.md above, or copy its raw URL.
  2. Upload the file to a Claude conversation (or add it as a Skill / Project knowledge).
  3. Say: Walk me through Corporate Sustainability Due Diligence Directive compliance.

In ChatGPT

  1. Create a Project (or a new chat) and upload the SKILL.md, or paste its contents.
  2. Say: Use this skill to check if CSDDD applies to us.
  3. Answer the questions it asks, one short batch at a time.

In an AI agent (autonomous)

Point the agent at the raw file and load it as a system instruction:

curl https://regulatory-skills.com/skills/csddd/SKILL.md

The full catalog is in /llms.txt. See the agent install guide.

Guidance, not legal advice

This skill helps you get organised and points you at the official sources. It does not replace a qualified adviser. Confirm specifics against the text on EUR-Lex and the European Commission before you act. See the verified fact sheet that ships with the skill for sources.

CSDDD Compliance Checklist & Due Diligence Tool (2026 Thresholds) · Regulatory Skills