P · Glossary
Payment on Account
Two advance Self Assessment payments due 31 January and 31 July.
Payments on Account (PoA) are two advance payments toward next year's Self Assessment, due 31 January and 31 July. Each is 50% of the previous year's tax bill (excluding CGT). Catches first-time SA filers off-guard — they get a "double bill" in their first January.
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