<prompt> Translate the following text to EnglishTumejumuisha FAA katika ukaguzi wetu kwa sababu ina msamaha fulani kutoka kwa Kanuni za Ununuzi wa Shirikisho zilizobuniwa ili kuwezesha kugawa mamlaka ya ununuzi kwa ngazi za chini.  <response>: We included FAA in our review because it has certain exemptions from the Federal Acquisition Regulations designed to facilitate delegating procurement authorities to lower levels. 