(1) There are hereby authorized to be made available for expenditure out of the employment security administration account for the fiscal year ending June 30, 1971 , and for each fiscal year thereafter— (A) such amounts (not in excess of the applicable limit provided by paragraph (3) and, with respect to clause (ii), not in excess of the limit provided by paragraph (4)) as the Congress may deem appropriate for the purpose of— (i) assisting the States in the administration of their unemployment compensation laws as provided in subchapter III (including administration pursuant to agreements under any Federal unemployment compensation law), (ii) the establishment and maintenance of systems of public employment offices in accordance with the Act of June 6, 1933 , as amended ( 29 U.S.C., secs. 49 – 49n ), and (iii) carrying into effect section 4103 of title 38 ; (B) such amounts (not in excess of the limit provided by paragraph (4) with respect to clause (iii)) as the Congress may deem appropriate for the necessary expenses of the Department of Labor for the performance of its functions under— (i) this subchapter and subchapters III and XII of this chapter, (ii) the Federal Unemployment Tax Act [ 26 U.S.C. 3301 et seq.], (iii) the provisions of the Act of June 6, 1933 , as amended [ 29 U.S.C. 49 et seq.], (iv) chapter 41 (except section 4103) of title 38, and (v) any Federal unemployment compensation law. The term “necessary expenses” as used in this subparagraph (B) shall include the expense of reimbursing a State for salaries and other expenses of employees of such State temporarily assigned or detailed to duty with the Department of Labor and of paying such employees for travel expenses, transportation of household goods, and per diem in lieu of subsistence while away from their regular duty stations in the State, at rates authorized by law for civilian employees of the Federal Government.