This file contains the digital vector boundaries for International Territorial Level 3, in United Kingdom, as at January 2021.The boundaries available are:(BFC) Full Clipped - clipped to the coastline (Mean High Water mark).Amendments made to NI projection October 2025.Contains both Ordnance Survey and ONS Intellectual Property Rights.REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/ITL3_JAN_2021_UK_BFC_V4/FeatureServer REST URL of WFS Server – https://dservices1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/services/International_Territorial_Level_3_(January_2021)Boundaries_UK_BFC(V4)/WFSServer?request=getcapabilities&service=wfsREST URL of MapServer – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/International_Territorial_Level_3(January_2021)Boundaries_UK_BFC(V4)_/MapServer