(a) Authority means the Metropolitan Transportation Authority, the public benefit corporation created by section 1263 of the New York Public Authorities Law.

(b) Commercial activities means activities whose main purpose is the sale of goods or services or the promotion or advertising of goods or services, including the distribution of goods or materials for free.

(c) Controlled substance means those substances designated as "controlled substances" in the New York Penal Law, section 200.00.

(d) Facilities includes the Hempstead Transit Center and all other property and equipment owned, occupied or operated by MSBA under contract, lease or other arrangement, including without limitation, depots, terminals, storage locations, signs, repair and maintenance shops, yards, offices and other real estate used by or incidental to the operation of the MSBA.

(e) Hempstead Transit Center or transit center means the facility operated and occupied by MSBA and including all appurtenances including but not limited to bus platforms and bays.

(f) Hempstead Transit Center manager means that individual or individuals designated by MSBA to have supervisory responsibilities for the Hempstead Transit Center.

(g) MSBA and the Metropolitan Suburban Bus Authority means the independent subsidiary and public benefit corporation created by the authority.

(h) Noncommercial activities means activities involving public speaking; distribution of written materials related to a charitable, religious or political cause; solicitation of contributions for charitable, religious or political causes; and artistic performances, including the acceptance of donations for such performances.

(i) Bus shall mean all buses operated by MSBA in revenue service.

(j) Person means any natural person, individual, corporation, society, organization, company, association firm, partnership, or other entity.

(k) Police officer refers to any police officer duly appointed pursuant to New York Criminal Procedure Law, section 1.20, or Nassau County Administrative Code, section 801 et seq., who, pursuant to his authority, has jurisdiction within the transit center, facility premises, or bus.

(l) Unreasonable noise means excessively or unusually loud sounds produced by any means which are audible to another person and which cause public inconvenience, annoyance or alarm, but does not include conversational speech or sounds incident to walking or normal movement. The term unreasonable noise also includes sounds which interfere with the audibility of the normal communication, audio communication equipment and speaker system of a transit facility or bus.