<prompt> Translate the following text to EnglishKwa kuwa hakuna sheria iliyopendekezwa au kupokea maoni ya umma, HCFA imetoa haki ya kutofautisha kupatikana katika 5 USC.  <response>: Since there was neither a proposed rule nor the receipt of public comments, HCFA has properly invoked the exception found at 5 U.S.C. 