Key Tax Dates

HM Revenue and Customs impose strict deadlines for all your correspondence...Don't get caught out. Choose a month to view the dates and deadlines that arise in it.

The key dates arising in October are as follows:


Deadline to notify chargeability for income tax / capital gains tax for the previous tax year ended 5 April, if not registered for self-assessment. This can be done online


Final date to manually submit your paper return if you wish to pay tax underpaid via your tax code. Only tax liabilities of £3000 or less can be collected this way. This deadline is extended to 30 December if you submit your return online.


Final deadline for submitting your return if you do not wish to calculate your own tax and want to guarantee that the Revenue notify you of your liability in time to pay on 31/01 next year.


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