Originally Posted by SmokeyTheBear

some places will only allow american based credit cards and since its not american it wont work.. this isnt epassporte specific

Another problem ( although shouldnt be with epassporte ) is when stores do the charge "off net " and epassporte isnt for off net purchases so it will be declined..

Those are a few of the reasons ..

I purchase stuff quite often with several different credit cards including epassporte and the failure rate is on par with most of the other ones ( not counting sites that wont process non american visa's )