§ 3. Comprehensive group housing development.

(a)

A comprehensive group housing development to be constructed on a plot of ground of at least four (4) acres, including construction of two (2) or more buildings, together with the necessary drives and access ways, and which is not subdivided into the customary lots, blocks and streets, may be approved by the planning commission if, in the opinion of the commission, departure from the foregoing regulations can be made without destroying the intent of the regulations.

(b)

Plans for all such developments shall be submitted to be approved by the planning commission whether or not such plat is to be recorded. No building permits shall be issued until such approval has been given.