Tax Return 2017 Deadlines - 12/09/2017
The first important tax return deadline for 2017 is nearly here!

There are two ways to submit your tax return. You can either send a Self Assessment paper tax return to H M Revenue & Customs (HMRC) or fill in an online tax return. Where relevant, a paper tax return needs to be submitted by 31 October 2017.  If you miss this deadline, then you can avoid a fine by filing your Self Assessment tax return online by 31 January 2018 instead. 

However, this year some tax returns will not be capable of being filed online. HMRC have issued a list of tax return scenarios (at the time of writing there are 61 scenarios) whereby the tax return will have to be filed by paper. For Self Assessment tax returns on this list, the paper filing deadline has been extended to 31 January 2018.

Key dates

31st October 2017 - This is the deadline for filing a paper tax return, whether you choose to work out how much tax you owe yourself or want HMRC to do it (unless you fall within the 61 scenarios that can’t file online).

30th December 2017 - If you file your tax return online and also have earnings taxed under PAYE, you can opt to have overdue tax (if it is less than £2,000) collected by PAYE, provided you filed your online return by this date. The advantage of this is that any tax payable would be paid over 12 months from April 2017, rather than in a single lump sum by 31 January 2018.

31st January 2018 - This is the final deadline for online tax returns, unless the notice to make an online tax return is issued by HMRC after 31 October 2017, in which case you have three months from the date of issue. This is also the deadline to pay any tax due for paper and online filers. Unless you have no choice but to file a paper return, then you have until 31 January 2018.

It is important to be aware that filing your tax return late or failing to pay the tax you owe on time, will probably mean you face a penalty and potentially interest. This year if you normally file online at the last minute we recommend that you file earlier to ensure that you can file online and not miss the deadline if you have to file by paper. If you would like further information on filing you tax return, please do not hesitate to get in touch.

Contact Ann Bibby on 01295 250401 or

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