v4.1.0 of VAT4EU is now available for download: https://www.zen-cart.com/downloads.php?do=file&id=2164

This release contains changes associated with these GitHub issues:

#54: Correct PHP Warning during OPC registered-account creation.
#55: Use zen_config to access configuration settings; polyfill provided for ZC versions prior to 3.0.0.
#56: Add detection method for encapsulated versions of the ZCA Bootstrap Template.
#57: Addresses in Northern Ireland are now considered part of the EU for taxation purposes.