uk-payments-on-account
> Use this skill whenever asked about UK Payments on Account (POA) for Self Assessment taxpayers. Trigger on phrases like "payments on account", "POA", "POA 2026", "January payment", "July payment", "balancing payment", "SA303", "claim to reduce", "reduce payments on account", "do I need to make payments on account", "POA threshold", "tax underpayment", "MTD ITSA payments on account", or any question about advance income tax payments under UK Self Assessment. Covers the two-payment schedule (31 January / 31 July), the GBP 1,000 threshold, the 80% PAYE test, balancing payment mechanics, SA303 claim to reduce, excluded items (Class 2 NIC, student loan, CGT), interest on late payments, the interaction with MTD ITSA quarterly updates from 6 April 2026, and interaction with tax codes. ALWAYS read this skill before touching any UK POA work.
SKILL.md
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