<prompt> Translate the following text to EnglishHistoria kuu ya kisheria inayoambatana na Sheria ya 16 ilirekodi matatizo tofauti ya upatikanaji ambayo GAO ilikutana nayo katika kupata rekodi ambazo ilikuwa na haki ya kisheria, ikiwa ni pamoja na ugumu mkubwa wa upatikanaji wa rekodi katika Ikulu ya White House.  <response>: The principal legislative history accompanying the Act16 chronicled the different access problems GAO had encountered in obtaining records to which it was legally entitled, including aserious access to records difficulties at the White House. 