<prompt> Translate the following text to EnglishNHTSA haikufanya uchambuzi wa mwisho wa kubadilika kwa udhibiti chini ya kifungu cha 604 wala haikufanya vyeti vya kifungu cha 605 b kuhusiana na sheria ya mwisho.  <response>: NHTSA did not conduct a final regulatory flexibility analysis under section 604, nor did it make a section 605b certification, in connection with the final rule. 