ba335e74_T_API___Hopewiser_Web_Services__Option
[Description] Specify that, when available, the Welsh version of an address should be returned instead of the English version (e.g. "Heol Y Porth,Caerdydd" instead of "Westgate Street,Cardiff"). Allowed values are Never (the default) or IfAvailable. Please note that this option is only applicable when the search criteria is a postcode. [Option] 
ReturnWelshAddresses
AddressServer - REST API - Hopewiser Web Services
Option