<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by RustyC:
<snip> seem to be in a tit-for-tat reciprocity battle with the U.S., charging U.S. citizens what the U.S. charges their people because they think (with some justification) that our taxes are out of line.</font>
The same reciprocity is often found in visa fees, length-of-stay, etc.