# Issuance of the NSF Proposal and Award Policies and Procedures Guide (PAPPG) (NSF 24-1) January 22, 2024 *Please see the message below from the National Science Foundation (NSF). NSF will present information about these changes in a webinar on **March 12th at 2 PM EST**. Sign up on the [Policy Office outreach website](https://r20.rs6.net/tn.jsp?f=001tn7vzyVIB1uF8CiJOtWN3qJQDlbgYNL_8eUggJmDeBh9_8Bw_zZqaRQ5ZyCkQgzv_nY6Q-caeScs07A5S_zdwEqsCRoFJk9VvbAAlMZr9ERCCs_GWXCwhzU4AmRdvoh-MygAcvuaUq_enwnKr88mVQLYbFJ8dvOz0TrRfIdllOI=&c=Q48ez5OMkI3yzcKI5hlRUck_YCbebbqs193M4XS_jU8aIOCceSuoEw==&ch=1-twhaSsWJPA7faVaILO8TRlfy-PvG9J8dUegK_9zNleDiUTsE32YA==) to be notified once registration opens.* Dear Colleagues, We are pleased to announce that a revised version of the NSF [Proposal & Award Policies & Procedures Guide (PAPPG) (NSF 24-1)](https://new.nsf.gov/policies/pappg/24-1) has been issued. The new PAPPG will be effective for **proposals submitted or due on or after May 20, 2024**. You are encouraged to review the by-chapter [Summary of Changes](https://new.nsf.gov/policies/pappg/24-1/summary-changes) provided in the PAPPG. NSF will present information about these changes in a webinar on **March 12****th at 2 PM EST**. Sign up on the [Policy Office outreach website](https://nsfpolicyoutreach.com/get-notified/) to be notified once registration opens. While this version of the PAPPG becomes effective on May 20, 2024, in the interim, the guidelines contained in the current [PAPPG (NSF 23-1)](https://new.nsf.gov/policies/pappg/23-1) continue to apply. If you have any questions regarding these changes, please contact the DIAS/Policy Office at . Regards, Jean Feldman, Head, Policy Office Division of Institution and Award Support Office of Budget, Finance and Award Management See also:- [ Alerts ](/blog-categories/alerts) - [ Announcements ](/blog-categories/announcements) - [ Dear Colleague Letter ](/blog-tags/dear-colleague-letter) - [ NSF ](/blog-tags/nsf)