; and (2) by inserting after subparagraph (H) the following: (I) The Secretary of Labor is authorized to take such actions, including issuing subpoenas and seeking appropriate injunctive relief and specific performance of contractual obligations, as may be necessary to ensure employer compliance with the terms and conditions under this subsection. The rights and remedies provided to H–1B nonimmigrants under this subsection are in addition to any other contractual or statutory rights and remedies of such nonimmigrants and are not intended to alter or affect such rights and remedies. . 109. Limitation on extension of H–1B petition Section 214(g)(4) of the Immigration and Nationality Act ( 8 U.S.C. 1184(g)(4) ) is amended to read as follows: (4) (A) Except as provided in subparagraph (B), the period of authorized admission as a nonimmigrant described in section 101(a)(15)(H)(i)(b) may not exceed three years. (B) The period of authorized admission as a nonimmigrant described in subparagraph (A) who is the beneficiary of an approved employment-based immigrant petition under section 204(a)(1)(F) may be authorized for a period of up to three additional years if the total period of stay does not exceed six years, except for an extension under section 104(c) or 106(b) of the American Competitiveness in the Twenty-first Century Act of 2000 ( 8 U.S.C. 1184 note). . 110. Elimination of B–1 in lieu of H–1 Section 214(g) of the Immigration and Nationality Act ( 8 U.S.C. 1184(g) ) is amended by adding at the end the following: (12) Unless otherwise authorized by law, an alien normally classifiable under section 101(a)(15)(H)(i) who seeks admission to the United States to provide services in a specialty occupation described in paragraph (1) or (3) of subsection (i) may not be issued a visa or admitted under section 101(a)(15)(B) for such purpose. Nothing in this paragraph may be construed to authorize the admission of an alien under section 101(a)(15)(B) who is coming to the United States for the purpose of performing skilled or