Shipping tax sometimes applied to wrong zone

-- HikaShop version -- : 2.6.0 essential
-- Joomla version -- : 2.5.28
-- PHP version -- : 5.5.9
-- Browser(s) name and version -- : Chrome/FF - Linux
-- Error-message(debug-mod must be tuned on) -- : none

Hello,

We have discovered two issues that appear to be related:

1) Intermittently we get customers who receive: "The cart items combined weight is too big for all"

2) Intermittently we get customers whose shipping cost is taxed for the wrong zone.

After some tests, we can reproduce it now, too.

The location of the Hikashop store is in Quebec, Canada. We sell across the country and every province has its own tax rate (some compounded, some not). If an order is for Quebec, we must charge GST (5%) and PST (9.975%) on both shipping and the product(s). If an order is from Ontario, Canada - we must charge only 13% on both the product(s) and shipping.

The problem, in some cases, is an order is sometimes from Ontario but is charged GST and PST only on the shipping and 13% on the product(s).

We are able to reproduce it, the difference seems to be when the customer logs in:

1) When the customer has logged in before starting the checkout process, all seems to work fine.

2) When the customer logs in DURING checkout is when the issue happens...sometimes, it seems.


I have found these two threads which appeared to be related:
www.hikashop.com/forum/install-update/86...too-big-for-all.html
www.hikashop.com/forum/shipping-methods/...ethods.html?start=20


I have implemented the workaround suggested in the threads...I separated the checkout process forcing a login/register on its own page with a "Continue" button. My understanding is that having everything on the same page does not allow the shipping module to update itself correctly when an address is changed.

It still does not work for us.

I hope I have explained this well enough. How can I go about debugging this? Which information is needed (screenshots etc) in order to get some support for this issue? I can provide login creds if needed.

Thanks again.

You were right, the new version of HS contained the fix - all good after an update.

Thanks