N.Y.C. Admin. Code § 3-510: § 3-510 Violations.

Any person who shall make any excavation or embankment, or lay or take up any pavement or flagging within three feet of any monument, bolt or other landmark, without having first obtained a permit to perform such work, or who shall in any way remove or deface any monument, bolt or other landmark, shall be punished for each offense by a fine of fifty dollars, imprisonment for not more than thirty days, or both.