and working conditions of domestic workers. 306. J–1 Visa program (a) Rule of construction Nothing in this Act or the amendments made by this Act shall be construed to limit the authority of the Secretary of Labor or the States to enforce labor laws, or promulgate regulations, with respect to work performed by an individual who is— (1) participating in an exchange visitor program described in section 62.31 of title 22, Code of Federal Regulations (or a successor regulation)