UncategorizedForm: Claim a tax refund when you’ve taken a small pension lump sum Claim back tax that HMRC owes you on a small pension lump sum you’ve had using the online P53 or P53Z forms. Guidance: Tell HMRC if you still need your EORI number starting XI Form: Apply for release of a private vessel on payment of Customs Duty and VAT (C384 (Vessels))