Article IX - Special Purpose Districts Print Article Copy Link https://zr.planning.nyc.gov/index.php/article-ix Chapter 1 Special Lower Manhattan District (LM) Chapter 2 Special Park Improvement District (PI) Chapter 3 Special Hudson Yards District (HY) Chapter 4 Special Sheepshead Bay District (SB) Chapter 5 Special Transit Land Use District (TA) Chapter 6 Special Clinton District (CL) Chapter 7 Special 125th Street District (125) Chapter 8 Special West Chelsea District (WCh) Chapter 9 Special Madison Avenue Preservation District (MP)