This is version 1.1 of the DoD OSA Contract Guidebook for Program Managers. It includes a forwarding memorandum from USD AT&L directing all acquisition professionals to utilize the business and technical practices contained in it.
For the interactive version of the Guidebook, please go to the following link: https://acc.dau.mil/osaguidebook.
For a downloadable version of the Guidebook (PDF), please use the file entitled "OSAGuidebook v 1_1 final.pdf.