&gt; &quot;Decline if the bank doesn&#x27;t support zip code checks.&quot;<p>Being able to turn that on &amp; off would be incredibly useful.  As far as I know most non-US banks don&#x27;t support zip code verification, so enabling it effectively blocks international transactions.  It&#x27;s frustrating trying to explain to a small non-technical business the difference between &quot;zip code check not supported&quot; and &quot;zip code check failed&quot;.