In this subtitle, the following terms have the meanings stated. “Commissioner” means the Commissioner of the Department of Housing and Community Development, or the Commissioner’s designee. “Landlord” means any person who is the owner of a rental single-family dwelling unit. “Landlord” includes any person authorized to exercise any aspect of the management of the rental single-family dwelling unit, except those persons engaged solely in custodial and maintenance functions. “Owner” means any person recorded in the official records of the State or City as holding title to a rental single-family dwelling unit. “Rent” means the consideration, including any bonus, benefit, or gratuity, demanded or received per day, week, month, year, or other period of time, as the case may be, for the use or occupancy of housing accommodations or the transfer of a lease for those accommodations. “Rent” includes any charge to a tenant under a rent-to-own agreement if the tenant’s acceptance of the agreement is mandatory or if the tenant is not entitled to a refund of the charge if the tenant does not purchase the unit. “Single-family dwelling unit” has the meaning stated in § 202.2.22.4 of the Baltimore City <cite data-path="|codes|II">Building Code</cite>. “Statement of interest” means a written and clear expression of interest to a landlord that the person writing the statement is interested in purchasing the landlord’s rental single-family dwelling unit. “Tenant” means any person who:occupies a rental single-family dwelling unit as a residence with the consent of the landlord; and has an obligation to pay rent or provide other consideration to the landlor for those accommodations.