AD63.005 STREET_SPECIAL_DESIG_CODE = 1 to 30 (excluding 4, 5, 7, 11, 14 or 15) must be present and contain a valid value.
This error was encountered against type 63 records, when submitting NSG export files to Geoplace for validation. The records had STREET_SPECIAL_DESIG_CODE 16 which would appear from the error details above to be a valid code.
Advice from Geoplace is:
Special designation code 16 is Lane rental. This code is only submitted by TFL & Kent County Council. DfT must agree to the authority submitting lane rental.