Many solicitations require a QCP. What a good one contains.
Some contracts require a sample to be tested and approved before production, and some items can be bought only from pre-qualified sources. Here is how first article testing and qualification requirements work.
A contract is complete when the government inspects the work, finds it conforms and accepts it. The inspection clauses, Section E and the finality of acceptance carry real consequences.
Color team reviews give proposals structured checkpoints. Here is what each common review generally focuses on and how to run them without derailing your schedule.