<prompt> Translate the following text to EnglishUtafiti wa awali wa kubadilika kwa udhibiti na uchambuzi wa mwisho wa kubadilika kwa udhibiti umefanywa na kuingizwa katika utangulizi wa sheria iliyopendekezwa na taarifa ya sheria ya mwisho, kama inavyotakiwa na sehemu 603 na 604.  <response>: An initial regulatory flexibility analysis and a final regulatory flexibility analysis have been prepared and included in the preambles to the proposed rule and the final rule notice, respectively, as required by sections 603 and 604. 