FAR Part 12

https://farpart15den.almoheet-travel.com/understanding-far-part-15-a-practical-guide-for-government-contractors

FAR Part 12 is the section of the Federal Acquisition Regulation that covers how the government acquires commercial products and services. If you're selling to the government, this part is key — it outlines special rules for buying off-the-shelf items, including simplified terms and pricing based on market rates rather than complex cost accounting.