Sec. 11.1. "Historic hotel" means a structure originally built as a hotel that:
(1) contained at least three hundred (300) sleeping rooms on or before January 1, 1930;
(2) is listed in, or is seeking listing in, the National Register of Historic Places; and
(3) was regionally recognized for the mineral springs located on the property that were thought to have significant health benefits for the hotel's guests.