Click the link below to open a document that includes the most current List of Project 25 Documents approved by the Project 25 Steering Committee.

Steering Committee Approved P25 Standards Document list February 2023


How do I get a copy of the P25 Standards Documents?

Copies of the Standards are free to Government Agencies in the United States.  Follow this link for an application form:

Documents for Commercial Entities can be ordered at:


Documents for Commercial entities can also be ordered through: 

IHS Global Inc.; 1-800-854-7179 (U.S. and Canada);  1-303-397-7956 (Outside U.S. and Canada)