2019-12-14
EC sales list
Deadline for paper monthly or quarterly return filing.
2019-12-19
CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
2019-12-19
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 November 2019.
2019-12-21
Intrastat
Due date for payment of supplementary declarations for November 2019.
2019-12-21
EC sales list
Deadline for online monthly or quarterly return filing.
2019-12-22
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.
2019-12-30
Online self-assessment (PAYE)
Deadline for online submission of self-assessment tax returns for tax year ended 5 April 2018 for HMRC to collect tax through PAYE codes, where they owe less than £3,000.
2019-12-31
Company accounts filing deadline
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.
2019-12-31
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 December 2018 to be submitted to HMRC.
2019-12-31
CT61
End of CT61 quarterly period.
