p800 refund|The P800 form: what to do if HMRC sent you one – TaxScouts : Bacolod If your tax calculation letter (P800) says you’re due a refund, you can claim online, through your personal tax account, the HMRC app or by contacting HMRC. You’ll get your refund within 5 to 14 working days depending on the method you choose. Tingnan ang higit pa