<prompt> Translate the following text to SwahiliNegotiated rate or service changes also may run afoul of the substantive standards prescribed for rates and mail classifications in the Reorganization Act.  <response>: Mabadiliko ya kiwango au huduma ya mazungumzo pia yanaweza kukosekana na viwango vya msingi vilivyoelezwa kwa viwango na uainishaji wa barua katika Sheria ya Utaratibu. 