For your VAT exemption, create/amend an account here:
https://www.valentinewigs.co.uk/account/register
Complete your details.
Scroll down the page and tick the box that says “Yes, I Declare I Wear A Wig For Medical Reasons"
Then complete the information, for date of your claim use today’s date
Then update your account and you will not have to pay VAT for any future orders
You only do this once and all your future Valentine Wigs orders are VAT exempt.