FAR Part 12
https://acornmetric.com/s/113YW6jvRkLO6VrCmvs6k
FAR Part 12 is the section of the Federal Acquisition Regulation that spells out how to describe what the government wants to buy—contractors call it the specs and clauses. It covers everything from performance requirements to inspection and acceptance terms, making sure both sides know what's expected. If you're selling to Uncle Sam, this part is your blueprint for getting it right.