; or (B) more than one level of certification, as determined appropriate by the Secretary with respect to the level of certification for different grades of the General Schedule. (4) The Secretary may enter into a contract with an appropriate entity to provide the covered training curriculum and the covered certification program under paragraph (1)(A). (5) (A) Not later than September 30, 2020, the Secretary shall ensure that the majority of employees subject to the covered certification program achieve the certification or the appropriate level of certification pursuant to paragraph (3), as the case may be. (B) After carrying out subparagraph (A), the Secretary shall ensure that each employee subject to the covered certification program achieves the certification or the appropriate level of certification pursuant to paragraph (3), as the case may be, as quickly as practicable. (6) In this subsection: (A) The term covered certification program means, with respect to employees of the Department who are members of occupational series relating to construction or facilities management, or employees of the Department who award or administer contracts for major construction, minor construction, or nonrecurring maintenance, including as contract specialists or contracting officers’ representatives, a program to certify knowledge and skills relating to construction or facilities management and to ensure that such employees maintain adequate expertise relating to industry standards and best practices for the acquisition of design and construction services. (B) The term covered training curriculum means, with respect to employees specified in subparagraph (A), a training curriculum relating to construction or facilities management. . 402. Review of enhanced use leases Paragraph (6) of section 8162(b) is amended to read as follows: (6) The Director of the Office of Management and Budget shall review each enhanced-use lease before the lease goes into effect to determine whether the lease is in compliance with paragraph (5).