The Register of Geographic Codes (RGC) is a key product that contains the definitive list of UK statistical geographies. ONS maintains the definitive set of statistical geographies, coordinates the issue of new codes, and maintains the relationship between active and archived code ranges on behalf of the Government Statistical Service. The RGC should be used in conjunction with the Code History Database, available to download separately.Updated GeographiesUpdates to Civil Parishes (E04), Non-Civil Parishes Areas (E43), Sustainability and Transformation Partnerships (E54) (Department of Health codes updated only) and Local Planning Authorities (E60).  (Parish orders operative in 2020 - ward orders operative in 2020 are now to be implemented in May 2021)