<prompt> Translate the following text to EnglishMamlaka ya bajeti inaweza kuwa imegawanywa kwa kipindi cha upatikanaji mwaka mmoja, zaidi ya miaka, au hakuna mwaka, kwa asili ya mamlaka sasa au kudumu, kwa njia ya kuamua kiasi inapatikana hakika au bila kikomo, au kama jumla bila kupunguza offset mkusanyiko na wavu na kupunguzwa mkusanyiko offset.  <response>: Budget authority may be classified by period of availability one year, multiple-year, or no year, by nature of the authority current or permanent, by the manner of determining the amount available definite or indefinite, or as gross without reduction of offsetting collections and net with reductions of offsetting collections. 