The following principal uses and structures are permitted within authorized mobile home communities:
(a) One-Family Detached Mobile Homes (residential mobile home). In mobile home communities, recreational vehicles shall not be occupied as living quarters and sales lots shall not be permitted, but dwellings may be sold on lots they occupy in residential use.
(b) Permitted Accessory Uses and Structures. Uses and structures that are customarily accessory and clearly incidental to permitted principal uses and structures shall be permitted, except for those requiring specific approval as provided below.