(a) Compensable adjustment of maximum rent.

1. (1) The landlord of a building wherein the maximum rents for housing accommodations therein are subject to adjustment, as provided in sections 2201.3 and 2202.11 of this Title, shall file a report of such adjustment upon forms prescribed by the administrator.
2. (2) Prior to filing such report, the landlord shall give the tenants at least five days' written notice of such rent increase, upon forms prescribed by the administrator, as a condition to the collection of such rent adjustment effective on the date of commencement of the next rent payment period following the date of service of such notice.

3. (3) No report may be accepted by the administrator unless the landlord shall certify compliance with the notice requirement of paragraph (2) of this subdivision.

   (b) Change in tenancy with statutory rent increase.

4. (1) Where a housing accommodation becomes vacant on or after August 1, 1970 and before January 1, 1972, by voluntary surrender of possession by the tenant, and the maximum rent is increased as provided in section 2201.3(e) of this Title, the landlord shall file a report of such rent increase upon forms prescribed by the administrator.

   (c) Filing of reports in general.

   The landlord shall file any report prescribed by sections 2201.3 and 2202.11 of this Title no later than August 31, 1971, whether or not the filing of such report would result in any increase in the maximum rent for the housing accommodations involved. No maximum rent established pursuant to section Y51-5.0a(3) of the Rent Law shall take effect, with respect to any housing accommodation for which such report, or such alternative report as the administrator may prescribe, is not filed by such date, until March 31, 1972 or 90 days after the date of filing, whichever is later.

(d) Miscellaneous provisions for signing and filing forms prescribed by section 2201.3.

1. (1) All forms filed pursuant to the provisions of section 2201.3 of this Title must be filed simultaneously.
2. (2) Notwithstanding any instructions contained on such forms to the contrary, the landlord may, in lieu of signing copies of city report form R-23 and the original and copies of city application form A-23, affix his facsimile signature to all copies of city report form R-23 and the original and all copies of city application form A-23, provided that he shall attach an affirmation to the original city report form R-23, which shall contain a duplicate of such facsimile signature used by him, together with the statement that he affixed such facsimile signature to such forms with the same force and effect as if he had personally signed each of said forms. The affirmation shall also identify the housing accommodations and the property involved, and state the date when such facsimile signature was affixed to such forms.