Tax and business calendar
Details of compliance and regulatory deadlines.
To see expired deadlines, please use the following link: Expired deadlines
31 Jul 2019
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Company accounts filing deadline
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.
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Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 July 2018 to be submitted to HMRC.
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Deadline for self-assessment (payment on account)
Deadline for second payment on account for tax year ended 5 April 2018.
01 Aug 2019
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Corporation tax payment
Corporation tax payment due for year end 31 October 2018, for those companies not liable to pay their liability by instalments.
07 Aug 2019
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VAT return
Due date for June VAT returns unless exempted.
14 Aug 2019
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EC sales list
Deadline for paper monthly or quarterly return filing.
19 Aug 2019
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CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
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Monthly postal PAYE/class 1 NICs/student loan payment
If you pay by cheque through the post, monthly payments due for PAYE, class 1 NICs and student loan deductions from July 2019.
21 Aug 2019
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EC sales list
Deadline for online monthly or quarterly return filing.
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Intrastat
Due date for payment of supplementary declarations for July 2019.
22 Aug 2019
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Monthly electronic PAYE/class 1 NICs/student loan payment
If paying electronically, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.
31 Aug 2019
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Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 August 2018 to be submitted to HMRC.
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Company accounts filing deadline
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.
01 Sep 2019
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Advisory fuel rates
New fuel rates come into force.
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Corporation tax payment
Corporation tax payment due for year end 30 November 2018, for those companies not liable to pay their liability by instalments.
07 Sep 2019
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VAT return
Due date for July VAT returns unless exempted.
14 Sep 2019
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EC sales list
Deadline for paper monthly or quarterly return filing.
19 Sep 2019
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CIS return date
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
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Monthly postal PAYE/class 1 NICs/student loan payment
If you pay by cheque through the post, monthly payments due for PAYE, class 1 NICs and student loan deductions from August 2019.
21 Sep 2019
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Intrastat
Due date for payment of supplementary declarations for August 2019.
