Agricultural Enclaves; Authorizes owners of certain parcels to apply to governing body of local government for certification of such parcels as agricultural enclaves; requires certification of parcel as agricultural enclave; authorizes applicant to seek judicial review; authorizes owner of parcel certified as agricultural enclave to submit certain development plans; requires local government to treat certain agricultural enclaves as if they are within urban service districts; provides for future expiration & reversion of specified provisions.