"Rent or income restrictions" means any federal, State, or local regulation, ordinance,
agreement, or contract that, as a condition of receipt of any assistance or incentive,
including an operating subsidy, rental subsidy, property tax exemption, development
agreement, zoning-related benefit, modification of development standards, mortgage
subsidy, mortgage insurance, tax-exempt financing, or low-income housing tax credits,
establishes a maximum limit on tenant income as a condition of eligibility for occupancy
of a unit, imposes any restrictions on the maximum rent that may be charged for a
unit, or requires review of rent for a unit by a governmental body or agency before
the rent is implemented or changed.
"Rental agreement" means all oral or written agreements that establish or modify the
terms, conditions, rules, regulations, or any other provisions concerning the use
and occupancy of a dwelling unit. For purposes of this Chapter 22.210, "rental agreement" shall not include any agreement relating to the purchase, sale,
or transfer of ownership of a dwelling unit.
"Substantial rehabilitation" means extensive structural repair or extensive remodeling
that requires displacement of a tenant and either requires a building, electrical,
plumbing, or mechanical permit, or is valued at $6,000 or more for any tenant's dwelling
unit.