HM Revenue and Customs has approved the Independent Pilots Association as a joint body for Tax Relief on 50% of the subscription members pay.
In order to receive the relief, application should be made to the tax office applicable to your employment and/or claimed on your annual tax return.
Here's the Link to HMRC website https://www.gov.uk/government/publications/professional-bodies-approved-for-tax-relief-list-3/approved-professional-organisations-and-learned-societies#p
Should you need proof of Independent Pilots Association membership please contact the office.