42 U.S.C. § 3214

(a) Delegation of functions to other Federal agencies The Secretary may— (1) delegate to the heads of other Federal agencies such functions, powers, and duties of the Secretary under this chapter as the Secretary determines to be appropriate; and (2) authorize the redelegation of the functions, powers, and duties by the heads of the agencies. (b) Transfer of funds to other Federal agencies Funds authorized to be appropriated to carry out this chapter may be transferred between Federal agencies, if the funds are used for the purposes for which the funds are specifically authorized and appropriated. (c) Transfer of funds from other Federal agencies (1) In general Subject to paragraph (2), for the purposes of this chapter, the Secretary may accept transfers of funds from other Federal agencies if the funds are used for the purposes for which (and in accordance with the terms under which) the funds are specifically authorized and appropriated. (2) Use of funds The transferred funds— (A) shall remain available until expended; and (B) may, to the extent necessary to carry out this chapter, be transferred to and merged by the Secretary with the appropriations for salaries and expenses.