The housing company shall establish an effective date for all rent changes resulting from annual income reviews. Each tenant or cooperator whose rent is being changed will be given notice of such change one calendar month prior to this date. Such notice shall also be given to tenants or cooperators whose rent is being changed to maximum surcharge rent for failing to submit required proof.
N.Y. Comp. Codes R. & Regs. Tit. 9 §§ 1727-2.7