In this chapter, the following terms have the meanings indicated and as defined in the Act. Terms Defined. “Act” means the Housing and Community Development Article, Title 6, Subtitle 9, Annotated Code of Maryland. “Affordable” means housing costs do not exceed 30 percent of a household's annual income. “Catalytic revitalization project” means the substantial rehabilitation of a property in the State: That was formerly owned by the State or the federal government; In which rehabilitation will foster economic, housing, and community development within the community in which the property is located; and That is out of service and was formerly used as a college or university, K–12 school, hospital, mental health facility, or military facility or installation. “Costs” means the costs incurred to develop a catalytic revitalization project and includes the costs of: Necessary studies, surveys, plans, and specifications; Architectural, engineering, or other special services, including flood plain studies, environmental audits, and critical area or wetland assessments; Land and improvements; Site preparation; Construction and rehabilitation, as applicable; Indemnity and surety bonds and premiums on insurance; Temporary relocation expenses of residents, if applicable; and Other costs determined to be acceptable by the Department. “Department” means the Department of Housing and Community Development. “New construction costs” means the costs associated with the construction of new structures that connect, expand, or integrate the existing structures to be rehabilitated. “Owned” means a prior ownership interest in real property pursuant to a: Deed; Long-term lease; Federal or State law or legal authority that allowed use and occupation of real property for a governmental purpose; or Other legal instrument. “Rehabilitation costs” means the costs associated with the rehabilitation of existing structures. “Secretary” means the Secretary of Housing and Community Development. “State tax credit” means the Catalytic Revitalization Project Tax Credit allowed under the Act and this chapter.