Notwithstanding the definition of the term “agency” set forth in § 7101 of this title, operators of provider-managed residential settings or day programs contracted through the Department of Health and Social Services' Division of Developmental Disabilities Services (DDDS) may contract with Fleet Services, with the permission of DDDS, for the sole purpose of obtaining vehicles necessary or the operation of the contracted provider-managed residential settings or day programs, subject to all provisions of the Fleet Services Acceptable Use Policies.