43-33 Modifications of Rear Yard Regulations Last Amended4/30/2008 History Print Section Copy Link https://zr.planning.nyc.gov/index.php/article-iv/chapter-3/43-33 M1 M2 M3 In all districts, as indicated, the regulations set forth in Section 43-313 (For zoning lots with multiple rear lot lines) may be modified in accordance with the provisions of Section 73-69 (Rear Yard Modifications).