; (B) the Committee on Appropriations of the Senate, in the case of a transfer from an office of the Senate; or (C) the Committees on Appropriations of the House of Representatives and the Senate, in the case of a transfer from any other office of the Government. (2) Amounts transferred under this subsection shall be merged with the account and made available under this section. (3) This subsection shall apply with respect to fiscal year 2019 and each succeeding fiscal year. . Increase in threshold for small purchase contracting authority 143. (a) Increase Section 1201(a)(1) of the Legislative Branch Appropriations Act, 2003 ( 2 U.S.C. 1821(a)(1) ) is amended by striking $100,000 and inserting $250,000 . (b) Effective date The amendment made by subsection (a) shall apply with respect to fiscal year 2019 and each succeeding fiscal year. Interagency details 144. (a) Authorizing details of employees under joint agency agreements In addition to any other authority relating to the detail of employees, the Architect of the Capitol and the head of any other department, agency, or instrumentality of the United States Government may enter into a joint agency agreement under which— (1) employees of the Office of the Architect of the Capitol (including employees of the United States Botanic Garden) may be detailed to such department, agency, or instrumentality on a reimbursable or non-reimbursable basis