<prompt> Translate the following text to SwahiliSections 3622 and 3623 similarly specify fairness and equity, together with other criteria, as considerations to be observed in making rate and mail classification changes.  <response>: Kifungu cha 3622 na 3623 pia kinaelezea Uadilifu na usawa, pamoja na vigezo vingine, kama kuzingatia lazima kuzingatiwa katika kufanya mabadiliko ya kiwango na uainishaji wa barua. 