12 C.F.R. § 541.15 Improved nonresidential real estate.
Title 12 - Banks and Banking
The term improved nonresidential real estate means nonresidential real estate: (a) Containing a permanent structure(s) constituting at least 25 percent of its value; or (b) Containing improvements which make it usable by a business or industrial enterprise; or (c) Used, or to be used within a reasonable time, for commercial farming, excluding hobby and vacation property.
Title 12: Banks and Banking
PART 541—DEFINITIONS FOR REGULATIONS AFFECTING FEDERAL SAVINGS ASSOCIATIONS
§ 541.15 Improved nonresidential real estate.