<prompt> Translate the following text to EnglishKama ilivyoelezwa hapo juu, mabadiliko mengi ya vifaa vinavyohitajika kufikia mwaka 2005 yanatengenezwa ili kukidhi mahitaji ya sasa chini ya wito wa NOX SIP au mahitaji mengine ya udhibiti, kinyume na mahitaji ya programu ya uchafuzi mwingi kama vile Sheria ya anga safi.  <response>: It should also be noted that most of the retrofits needed by 2005 are being installed to meet existing requirements under the NOX SIP Call or other regulatory requirements as opposed to the requirements of a multipollutant program such as the Clear Skies Act. 