For UK locations, Bullseye accepts countries within the UK in the State_Province field.  This allows you to display these countries as part of the address if you need to include them. The full name of the country, or abbreviation is accepted. 

CountryAbbreviationAlternate Abbreviation
EnglandENGEN
ScotlandSCTSC
Northern IrelandNIRNI
WalesWLSWAL, WS