(a) No person shall fail, neglect or refuse to comply with the lawful direction or command of any police officer or designated employee of ParksCorp or the BPCA, indicated by gesture or otherwise.

(b) No person shall fail to comply with or obey any instruction, direction, regulation, warning, or prohibition, written or printed, displayed or appearing on any park sign, except such sign may be disregarded upon order by a police officer or designated ParksCorp or BPCA employee.