Hi Peeps, i have two stores and my on the second store when the customer signs in the tax is not effected. The tax is caluclated when the customer is not signed in on this store. On the primary store the tax works fine with the same customer.
The second store uses euro and has a tax level of 23% for ireland i have a uk and irish vat number.
Link to first store
http://hps.absolutehtml.com
Link to second store
http://ireland.hps.absolutehtml.com