Hello,
I just had a look on your website, and I get the root issue :
=> In 2 point your configurations are contradictory, see by yourself :
1°) Plugin: manual (Handling Charge)
The way you configure the "
override shipping address" option will erase the customer shipping address for
your shop address
2°) Main HikaSHop configuration
Here, your Configuration for the "
Type of address used for tax" option
was Shipping
So maybe you have already understand why
I switched this option for Billing, and so I succeed to have this :
Now you have to choose between these
2 settings in order to make your Taxes correctly work.
Regards