N.Y.C. Admin. Code § 28-117.1.2: § 28-117.1.2 New certificate required.

The following changes to a place of assembly shall require a new place of assembly certificate of operation instead of an amendment filed in accordance with section 28-117.1.3:

1. For a department issued place of assembly permit or place of assembly certificate of operation that does not have a nine-digit job number, any change of zoning use group, assembly occupancy group A-1 through A-5, or any of the changes set forth in section 28-117.1.3.

2. For all other department issued place of assembly permits or place of assembly certificates of operation, any change of zoning use group or assembly occupancy group A-1 through A-5.