The code list identifies the accuracy value of the coordinates allocated to the feature.

This code list is used in association with the RPC (CSV)/rpc (GKPG) attribute found on the BLPU table.

ValueDescriptionImplementation notes


General Internal Position

The address seed is contained within an OS MasterMap Topography Layer building but is more than 2.5m away from its calculated centre. Or The seed is in an internal position based on the nature of the premises, for example, Development Land, House Boat.

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