<prompt> Translate the following text to EnglishKwa mujibu wa Sheria ya Urekebishaji na Marekebisho ya Huduma ya Mapato ya Ndani ya 1998, IRS ilianzisha mbinu ya kupima utendaji iliyoundwa kukuza huduma ya ubora, kukuza kufuata sheria za kodi, na kuzingatia athari kwa wafanyikazi.  <response>: In response to the Internal Revenue Service Restructuring and Reform Act of 1998, IRS initiated a method of measuring performance designed to foster quality service, promote compliance with the tax laws, and consider the impact on employees. 