; (B) in paragraph (2), by striking and after the semicolon; (C) in paragraph (3), by striking the period and inserting ; and ; and (D) by adding at the end the following: (4) to assist such State in developing and implementing any certification program for coal or other mines required for compliance with section 118. ; and (2) in subsection (h), by striking $3,000,000 for fiscal year 1970, and $10,000,000 annually in each succeeding fiscal year and inserting $20,000,000 for each fiscal year . 603. Authorization of cooperative agreements by NIOSH Office of Mine Safety and Health Section 22(h)(3) of the Occupational Safety and Health Act of 1970 ( 29 U.S.C. 671(h)(3) ) is amended— (1) in subparagraph (B), by striking and at the end; (2) by redesignating subparagraph (C) as subparagraph (D); and (3) by inserting after subparagraph (B) the following: (C) enter into cooperative agreements or contracts with international institutions and private entities to improve mine safety and health through the development and evaluation of new interventions; and . 604. Double encumbrance; succession plan (a) Authorization Notwithstanding any personnel procedures, rules, or guidance, the Secretary of Labor is authorized to double encumber a position or utilize early replacement hiring for authorized representatives and technical specialist positions in the Mine Safety and Health Administration. The number of such positions shall be consistent with the staffing requirements set forth in the succession plan under subsection (b). (b) Succession Plan Not later than 90 days after the date of enactment of this Act, the Secretary of Labor shall develop and provide to Congress a succession plan for the Mine Safety and Health Administration for the next five years to assure timely replacement of qualified employees critical to maintaining the agency’s mission which shall— (1) estimate employee turnover for each year