Permanent Developments—Permanent developments consist of managed mobile home parks or residential mobile home subdivisions with the following characteristics:
Transient Developments—Transient developments are mobile home, trailer, and recreational vehicle parks where the lots are temporarily occupied or rented and considered transient, short-term, or seasonal. For transient developments, the only option is delivery to a single point or receptacle designated by park management and approved by local Postal Service management. The single delivery point defined will be for the receipt of all mail from USPS; employees of the park will complete the subsequent distribution of mail and forwarding.