Pirates of the Burning Sea Producer Michelle "Misha" Williams has posted a look at the game's v2.5 patch which is anticipated to hit the test bed later this week. In addition to bug fixes and 'tuning', there will be new additions to the in-game store (Treasure Aisle), new taxes and social features.
New laws have forced SOE to charge taxes on certain transactions, depending on where you live (particularly if you live in WA or TX). So they need the zip code of your billing address to be associated with your payment source. You may have already noticed changes in other SOE games or when interacting with your Station Account on the web.
The changes to the purchase process were somewhat extensive on the back end and took up a lot of DevCo’s time this milestone. We also had to make some slight UI changes to display tax information.
Read more here.