(a) Where a new mobile home community is to be established for the development of a single mobile home community, the minimum area shall be two (2) acres. Minimum number of lots or spaces completed and ready for occupancy before first occupancy is permitted shall be established as twenty-five percent (25%) of total units permitted on the site.
(b) These limitations shall not apply where expansion of an existing mobile home community is concerned and where such expansion will not increase variation from requirements applying to mobile home communities, as set forth herein.