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PAF® (Postcode Address File)

A file maintained by Royal Mail for the purposes of the delivery of mail.

PAO (Primary Addressable Object)
A number and / or a name for the LPI associated with the BLPU. See also BS 7666-2:2006, page 1, section 3.1, for definition.
A Record which represents the highest level in the hierarchy if two or more BLPUs are represented by LPIs that contain the same entry in the PAO. A Parent Record contains an entry in the PAO but no entry in the SAO.
PROW (Public Right of Way)

One of the following:

A synonym for a Highway, that is, any Way over which there is a public right of passage including those Ways for which there is no statutory method for recording their existence.

One of the four rights recordable on the Definitive Map:

  • Public footpath.

  • Public bridleway.

  • Restricted byway.

  • Byway open to all traffic.

See Section 66 of the Wildlife and Countryside Act 1981.

PSGA Member Licence
The licence entered into by the Authority and OS pursuant to the Public Sector Geospatial Agreement (PSGA).
Public Sector Geospatial Agreement (PSGA)

The Public Sector Geospatial Agreement (PSGA) is an arrangement between Ordnance Survey and Her Majesty's Government (HMG) - through the Geospatial Commission


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