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Payments & Tax Estimates

When Self Assessment payments are due, how in-year tax estimates work under MTD, and how payments on account are handled.

Quarterly updates do not replace tax payments. This guide covers when Self Assessment payments are due, how in-year estimates from MTD software compare with your final bill, and payments on account.

MTD payment dates

When Self Assessment payments are due under Making Tax Digital for Income Tax, and how they relate to quarterly updates.

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Reliability of in-year tax estimates

How reliable in-year tax estimates are under Making Tax Digital for Income Tax, and what can change by year-end.

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Payments on account rules

How payments on account work alongside Making Tax Digital for Income Tax, and what still follows Self Assessment rules.

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