PSI signatory companies are required to submit an annual disclosure on progress towards implementing the Principles and to pay annual membership fees. The guidance below provides practical support and answers to frequently asked questions on both requirements. 

 

PSI Disclosures 
  • Coming Soon — FAQ on disclosures: Timelines, reporting requirements, and submission guidance 
  • Signatories’ page: View disclosures from PSI members

 

Membership Fees 
  • Coming soon — FAQ on invoices: 2026 fee schedule and UNEP FI invoicing process