the following new subparagraph: (F) Rental assistance for projects with matured loans (i) Authority To continue to make decent, safe and sanitary housing available to low-income occupants of projects originally financed with a loan made or insured under section 514 or 515 that has matured on or after the date of the enactment of this subparagraph or with a grant under section 516, and at rental rates commensurate to income as specified in subparagraph (A) of this paragraph, the Secretary may, subject to the availability of amounts provided in appropriation Acts, contract to make, make, and renew annual assistance payments pursuant to this subparagraph to the owners of such projects. (ii) Offer The Secretary shall ensure that an offer to provide a contract for assistance payments pursuant to this subparagraph shall be extended to all owners of projects described in clause (i) not later than 24 months before the maturation of the loan (except in the case of loans maturing after the date that is 24 months before the date of the enactment of this subparagraph). (iii) Terms Each contract for assistance payments pursuant to this subparagraph shall— (I) have a term of 20 years and be subject to availability of amounts provided in annual appropriations Acts