Amends the definition for commercial real estate found in GS 44A-24.2, concerning definitions for the Commercial Real Estate Broker Lien Act, providing that the term describes real property or interest therein that at the time it is made the subject of an agreement for broker services is lawfully used for sales, office, research, institutional, warehouse, manufacturing, industrial, or mining purposes or for multifamily and/or residential purposes involving five or more dwelling units (was, or for multifamily residential purposes involving five or more dwelling units).