The BUMED Special Pays site has been updated and now says this:
2 Dec 16: The FY17 NAVADMIN (262/17) was released on 1Dec16. The attached FY17 Pay Plans are below, and explain the conversion and eligibility for the new Consolidated Special Pays. All requests must be endorsed and emailed to the below email address along with any questions.
In addition, here are some templates one of the officers in my community got from BUMED yesterday: