144-21 Floor Area Regulations Last Amended12/15/2021 History Print Section Copy Link https://zr.planning.nyc.gov/article-xiv/chapter-4/144-21 The underlying floor area regulations of Section 43-10 (FLOOR AREA REGULATIONS), inclusive, are modified by the provisions of Sections 144-211 (Floor area ratio) through 144-213 (Floor area limitations on additional uses).