Description
Recently USPS implemented some changes for calculating international shipping to Canada
https://www.usps.com/business/web-tools-apis/2015-may-webtools-release-notes.rtf
Therefore Priority Mail International can be missing on checkout for Canada and you may see an error when trying to calculate rates for it in shipping calculator
Notice: Undefined index: SvcDescription in /home/public_html/shipping/usps_v4.php on line 350
Solution
http://www.viart.com/downloads/usps_functions.zip
Download the file above and extract 'usps_functions.php' in the /shipping folder of your shop replacing existing file. Please do not forget to make a backup copy of the current file in case something goes wrong.
