<prompt> Translate the following text to EnglishHii inawezesha Rais na Mkurugenzi wa Ofisi ya Usimamizi na Bajeti OMB kuzuia kesi ya Msimamizi Mkuu chini ya hali fulani maalum.  <response>: This enables the President and the Director of the Office and Management and Budget OMB to preclude a suit by the Comptroller General under certain special conditions. 