in the Federal Register, and by making any necessary adjustments for the costs associated with the first-time renewal of vouchers under this paragraph including tenant protection, HOPE VI, and Choice Neighborhoods vouchers: Provided further , That none of the funds provided under this paragraph may be used to fund a total number of unit months under lease which exceeds a public housing agency's authorized level of units under contract, except for public housing agencies participating in the MTW demonstration, which are instead governed by the terms and conditions of their MTW agreements: Provided further , That the Secretary shall, to the extent necessary to stay within the amount specified under this paragraph (except as otherwise modified under this paragraph), prorate each public housing agency's allocation otherwise established pursuant to this paragraph: Provided further , That except as provided in the following provisos, the entire amount specified under this paragraph (except as otherwise modified under this paragraph) shall be obligated to the public housing agencies based on the allocation and pro rata method described above, and the Secretary shall notify public housing agencies of their annual budget by the later of 60 days after enactment of this Act or March 1, 2018: Provided further , That the Secretary may extend the notification period with the prior written approval of the House and Senate Committees on Appropriations: Provided further , That public housing agencies participating in the MTW demonstration shall be funded pursuant to their MTW agreements and in accordance with the requirements of the MTW program and shall be subject to the same pro rata adjustments under the previous provisos: Provided further , That the Secretary may offset public housing agencies' calendar year 2018 allocations based on the excess amounts of public housing agencies' net restricted assets accounts, including HUD held programmatic reserves (in accordance with VMS data in calendar year 2017 that is verifiable and