<prompt> Translate the following text to EnglishIRS ina mipango muhimu ya mageuzi ya usimamizi inayoendelea kushughulikia udhaifu wa usimamizi wa muda mrefu, lakini ilipoteza fursa ya kuonyesha hatua hizi katika sehemu yake ya mpango wa utendaji wa Wizara ya Hazina ya Mwaka wa Fedha wa 2000.  <response>: IRS has important management reform initiatives underway to address long-standing management weaknesses, but it missed the opportunity to demonstrate these actions in its portion of the Department of the Treasurys fiscal year 2000 performance plan. 