In this chapter, the following terms have the meanings indicated. Terms Defined. “Mortgage lender licensee” means a person licensed under Financial Institutions Article, §§11-501—11-524, Annotated Code of Maryland. “Mortgage loan” means any loan or extension of credit secured by residential property. “Mortgage loan originator licensee” means an individual licensed under Financial Institutions Article, §§11-601—11-618, Annotated Code of Maryland. “Nationwide Mortgage Licensing System and Registry (NMLSR)” has the meaning stated in Financial Institutions Article, §11-501, Annotated Code of Maryland. “Residential property” has the meaning stated in Real Property Article, §3-104.1, Annotated Code of Maryland. “Security instrument” means a mortgage, deed of trust, or any other instrument securing a mortgage loan. Single Family Dwelling Unit. “Single family dwelling unit” means a structure principally designed for the residential habitation of one family. “Single family dwelling unit” includes an individual residential condominium unit within a larger structure or complex, regardless of the total number of individual units in that structure or complex. “Single family dwelling unit” does not include a structure that: Is not intended, and has never been used, for human habitation; or Is intended for human habitation, has never been occupied, but for which a use and occupancy permit, if required, has never been issued. “Unique identifier” has the meaning stated in Financial Institutions Article, §11-601, Annotated Code of Maryland.