; and (B) shall not be— (i) transferred; (ii) reissued; or (iii) otherwise used for mineral extraction. 305. Methane leasing in Lower North Fork Valley (a) Inventory Not later than 1 year after the date of enactment of this Act, the Secretary shall complete, or shall collaborate with agencies of the State or with institutions of higher education in the State to complete, an inventory of all significant emissions of methane in the North Fork Valley in the State, including methane emissions from active, inactive, and abandoned coal mines. (b) Leasing program (1) In general Not later than 1 year after the date of completion of the inventory required under subsection (a), the Secretary shall carry out, to the extent permissible under applicable law, a program to offer for lease Federal methane from active, inactive, and abandoned coal mines where methane is escaping into the atmosphere, subject to valid existing rights. (2) Conditions The program carried out under paragraph (1) shall— (A) only include methane that can be collected and transported in a manner that does not— (i) endanger the safety of coal mine workers; or (ii) unreasonably interfere with ongoing operations at coal mines