Two-thirds of the annual subscription payable to the Association is allowable for income tax relief. Section 343, Part 5, Chapter 2 of the Income tax (earning and Pensions) Act 2003. A Proforma letter is available here that shows subscription rates for Association membership over the past few years.
Further information on how to claim the tax back can be found on the HMRC website. Tax Relief for professional fees and subscriptions.
There are specialist firms that can assist you in doing this and at the same time, check if you have been missing out on any other tax allowances or been given the wrong tax code by HMRC meaning you are owed a tax refund.
The Tax Refund Company is one such firm and has helped over 140,000 teachers. They can quickly find out if it worth having your tax codes checked by visiting www.thetaxrefundcompany.co.uk