; or (II) if the application involves funds reserved under section 110(e) of the Rehabilitation Act of 1973 ( 29 U.S.C. 730(e) ), the Secretary of Labor and the Secretary of Education. (ii) Substance use disorder The term substance use disorder means such a disorder within the meaning of the term in title V of the Public Health Service Act ( 42 U.S.C. 290aa et seq.). (iii) Substance use disorder transition activities The term substance use disorder transition activities means activities authorized under subparagraph (D) or (E). (B) Eligible states To be eligible to use the funds reserved under clause (i) or (ii) of section 133(a)(1)(B) for substance use disorder transition activities described in this paragraph, a State shall— (i) submit to the appropriate Secretary an application seeking flexibility to use the reserved funds for such activities, and submit the application at such time, in such manner, and containing such information as the appropriate Secretary may require, including an assurance that the State will award subgrants to entities on the basis of the ability of the entities to provide the substance use disorder transition activities involved, including any programs that the entities propose to provide that lead to recognized postsecondary credentials