For the purposes of this chapter, the following words and phrases shall have the meanings respectively ascribed to them by this section, unless another meaning shall clearly appear from the text:
shall mean any commercial or industrial real estate upon which there is an existing structure which is no less than 25 years of age and which has been so improved as to increase the assessed value of the structure by no less than 60 percent, without increase of the total square footage of the structure.
shall mean any residential real estate upon which there is an existing structure which is no less than 25 years of age and which has been so improved as to increase the assessed value of the structure by no less than 40 percent, without increasing the total square footage of the structure by more than 15 percent.
shall mean the calendar year, from January 1st through December 31st, for which real property tax is imposed or an exemption is claimed under this chapter.
(Code 1985 § 12-111; Ord. 2-26-81 § 10-80)