Be interesting to know. I read there rules and then confirm it with them on the phone. But having said that, I have had to educate the customs people before. Try telling the customs officer in the most polite way that they are doing it wrong or this is how you do it...... interesting turn of events. Hard not to grin when they get on the phone and call RIV themselves and you here them repeating the answers that you just tried to inform them about. Remember your Canadian and if you have nothing to hide they do not have the right to treat you like a second class criminal.