Key Tax Dates 2018/2019
All the dates you need to know if you need to fill in a self assessment.
Self-Assessed Key Tax Dates:
31 January 2018
Deadline for 1st payment on account for 2017/18 tax year.
5 April 2018
Deadline for claiming tax overpaid for the 2013/14 tax year under self-assessment.
6 April 2018
First day of the new tax year 2018/19.
6 April 2018
Time to gather detailed documents for your 2017/18 tax return and if you’re self-employed or have income from property in the year ended 5 April 2016.
31 May 2018
Last date to give employees a form P60 for 2017/18.
31 July 2018
Deadline for 2nd payment on account for tax year ending 5 April 2018.
5 October 2018
Deadline to register with the HMRC if you became self-employed or started receiving income from property. You should submit a form CWF1 for self-employment or form SA1 for non-self-employedincome to HMRC.
31 October 2018 (midnight)
Deadline for paper self-assessment returns for 2018/19 tax year.
30 December 2018
Deadline for online submission of self-assessment tax returns for year ending 5 April 2017 for HMRC to collect tax through PAYE tax codes where they owe less than £3,000.
31 January 2019 (midnight)
Deadline for online self-assessment tax returns for 2017/18 tax year.
31 January 2019 (midnight)
Deadline for paying tax bill for tax year ending 5 April 2017/18.
5 April 2019
End of tax year 2018/19.
If in doubt, contact your local Rosemary Bookkeeper today.
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