; (B) retail natural gas suppliers; (C) States; and (D) Indian tribes. (3) Selection criteria (A) In general Not later than 120 days after the date of enactment of this Act, and not later than 90 days after the date on which any subsequent amounts are made available for the Program, the Secretary shall publish criteria for the selection of applicants, including criteria prioritizing applications— (i) with the highest non-Federal cost share relative to the value of the Federal grant offered under the Program; (ii) that deliver the most rapid reductions in emissions due to fossil fuel heating energy; and (iii) that meet other criteria considered appropriate by the Secretary. (B) Application requirements The applications submitted by eligible entities under paragraph (2) shall describe how selection criteria under subparagraph (A) are met, including a description of— (i) the non-Federal cost-share; and (ii) the manner in which the applicant will measure and verify the planned energy savings. (4) Applications and grants (A) In general Not later than 120 days after the date of publication by the Secretary of the selection criteria described in paragraph (3), any entity that meets the eligibility criteria described in paragraph (2) may apply to the Secretary to receive a grant. (B) Grants (i) In general In each application, the applicant may apply for a grant of not more than $20,000,000. (ii) Use of funds Funds provided by a grant under this subsection may be used— (I) to replace any fossil fuel heating system with a zero-emission heating system; (II) to provide incentives to owners to replace any fossil fuel heating system with a zero-emission heating system; (III) to reduce emissions in an existing natural gas distribution system