41 C.F.R. § 105-50.101
(a) This part 105-50 implements the provisions of Title III of the Intergovernmental Cooperation Act of 1968 (82 Stat. 1102, 42 U.S.C. 4221-4225), the purpose of which is stated as follows:
It is the purpose of this title to encourage intergovernmental cooperation in the conduct of specialized or technical services and provision of facilities essential to the administration of State or local governmental activities, many of which are nationwide in scope and financed in part by Federal funds; to enable state and local governments to avoid unnecessary duplication of special service functions; and to authorize all departments and agencies of the executive branch of the Federal Government which do not have such authority to provide reimbursable specialized or technical services to State and local governments.