Owners may access these forms by logging into the Owner Rent Regulation Application (ORRA) System online
at https://hcr.ny.gov/online-services-owners-and-managers and select the Individual Apartment Improvement
Notification application.
The Notification and accompanying documents will be made part of the rent registration record for a rent
stabilized apartment and part of the Maximum Base Rent building profile record for a rent controlled apartment.
Such Notification for each IAI must include an itemized list of work performed and a description or explanation
of the reason or purpose of such work. At any time, DHCR may request any relevant information even if
This document is being reissued for informational purposes only.
The original document which contains signatures of authorization is
on file at DHCR’s Office of Rent Administration.
Revised (10/25) OB-2024-2 Page 1 of 8
provided previously, where it affects the adjustment of legal regulated rents. Owners are advised to retain
proper documentation of all improvements performed or any rent increases resulting from IAIs.
II. New Rules Effective October 17, 2024
Since 2019, IAIs have been limited to: a) no more than $15,000; and b) no more than three IAIs in any 15-year
period.
Effective October 17, 2024, changes to the law eliminate the limitation of three separate IAIs (subject to
limitations described below for certain “Second Tier” IAIs) and establish a two-tier system for IAIs. These
changes may allow increases recoverable for IAIs up to $30,000 (First Tier) and $50,000 (Second Tier) pursuant
to requirements outlined below.
III. Rules and Requirements for the First and Second Tiers
First Tier - Rent Stabilized/Rent Controlled Apartments Subject to the $30,000 Limitation