This is the overview, there are other websites that go more into the details if you google it

But basically it is survival of the most boring and the most detailistic. Then of course you lose the tender because you weren't "in the know", or you missed the requirements of the Toilet Procurement acts of 1974 which specified the thickness and traction resistance of toilet paper used in government purchases.

Oh and if you're "lucky" your Health contract management software will suddenly have to be able to order pizza as well, you know, it's "just an extra thing". But you won't get paid while that doesn't happen (ok this might not apply to the USA specifically, but you get the idea)