11.16.1

If there is an administrative boundary change and a BLPU moves from one gazetteer administration area to that of another Authority the following rules apply:

The UPRN shall be retained for this BLPU.
The LOCAL_CUSTODIAN_CODE shall change to that of the new Authority.
The BLPU and associated Records shall be retained within the former LLPG with a LOGICAL_STATUS = 8 (historical) and an END_DATE so that all property / planning history can be accessed in accordance with local policy and convention.
The BLPU and all associated Records must be flagged as local only Records (and / or read only) so as to avoid the dissemination of these Records to either GeoPlace or other internal departments linked to and using LLPG addresses.

11.16.2

If a change in administrative area boundary occurs and Streets ‘move’ Local Highway Authority or District Council area, USRNs shall endure to the new Authority Street and Authority Address Custodian and the AUTHORITY_CODE shall be changed accordingly. Appendix B deals with a Unitary created as a result of a Local Government reorganisation exercise.

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