as a matter of law. (d) Report on Central Office funds Not later than January 1, 2019, the Secretary shall, in consultation with Indian Tribes, develop a funding formula to determine the individual Tribal share of funds controlled by the Central Office of the Bureau of Indian Affairs and the Office of the Special Trustee for inclusion in the compacts. 413. Regulations (a) In general (1) Promulgation Not later than 90 days after the date of enactment of the PROGRESS for Indian Tribes Act , the Secretary shall initiate procedures under subchapter III of chapter 5 of title 5, United States Code, to negotiate and promulgate such regulations as are necessary to carry out this title. (2) Publication of proposed regulations Proposed regulations to implement this title shall be published in the Federal Register not later than 21 months after the date of enactment of the PROGRESS for Indian Tribes Act . (3) Expiration of authority The authority to promulgate regulations under paragraph (1) shall expire on the date that is 30 months after the date of enactment of the PROGRESS for Indian Tribes Act . (b) Committee (1) Membership A negotiated rulemaking committee established pursuant to section 565 of title 5, United States Code, to carry out this section shall have as its members only representatives of the Federal Government and Tribal government. (2) Lead agency Among the Federal representatives described in paragraph (1), the Office of Self-Governance shall be the lead agency for the Department. (c) Adaptation of procedures The Secretary shall adapt the negotiated rulemaking procedures to the unique context of self-governance and the government-to-government relationship between the United States and Indian Tribes. (d) Effect (1) Repeal The Secretary may repeal any regulation that is inconsistent with this Act. (2) Conflicting provisions Subject to section 101(a) of the PROGRESS for Indian Tribes Act and except with respect to programs described under section 403(c), this title shall supersede any conflicting provision