; and (2) transfer a license in part to 1 or more nonmunicipal entities as co-licensees with a municipality, if the municipality retains majority ownership of the closed-loop or off-stream pumped storage project for which the license was issued. (g) Developing abandoned mines for pumped storage (1) Workshop Not later than 180 days after the date of enactment of this Act, the Commission shall hold a workshop to explore potential opportunities for development of closed-loop pumped storage projects at abandoned mine sites. (2) Guidance Not later than 1 year after the date of enactment of this Act, the Commission shall issue guidance to assist applicants for licenses or preliminary permits for closed-loop pumped storage projects at abandoned mine sites. (h) Savings clause Nothing in this section affects any authority of the Commission to license a closed-loop or off-stream pumped storage project under any other provision of this part. . 13. Conditions to protect Tribal resources Part I of the Federal Power Act ( 16 U.S.C. 792 et seq. ) is amended by adding at the end the following: 37. Conditions to protect Tribal resources (a) Necessary conditions of Indian Tribes (1) In general Except as provided in subsection (c), an Indian Tribe shall have exclusive authority to deem a condition to a license under this part to be necessary under section 4(e)(2) if the license is issued for a project located within any land or an interest in land the legal title to which is held by the United States in trust for the benefit of the Indian Tribe, regardless of whether the Indian Tribe is a licensee or applicant for the project, subject to paragraph (2). (2) Condition; written statement On deeming a condition to be necessary pursuant to paragraph (1), an Indian Tribe shall submit to the Commission— (A) the condition; (B) a written statement— (i) demonstrating that the Indian Tribe considered alternatives to the submitted condition; (ii) providing a scientific and technical rationale for— (I) the condition submitted