Deadline to Submit Proposed Changes for 2027 National Standard Plumbing Code (NSPC) is Feb. 28
In order to facilitate the development of an updated National Standard Plumbing Code — Illustrated (NSPC), the IAPMO NSPC Committee requests proposed changes to the 2024 NSPC. All proposals are due by Feb. 28, 2025. Proposals accepted by the technical committee will appear in the 2027 NSPC.