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Deadline for online monthly or quarterly return filing.
Due date for payment of supplementary declarations for January 2019.
If you pay by cheque through the post, monthly payments due for PAYE, class 1 NICs and student loan deductions from January 2019.
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
Deadline for paper monthly or quarterly return filing.
Due date for December VAT returns unless exempted.
Corporation tax payment due for year end 30 April 2018, for those companies not liable to pay their liability by instalments.
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2018 to be submitted to HMRC.
Deadline for first self-assessment payment on account for tax year ended 5 April 2018.
Deadline for online submission of self-assessment balancing payments for 2017/18 tax year.
Deadline for online submission of self-assessment tax return for 2017/18 tax year.
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.
Q3 (2018/19) PAYE/NIC payment due in order to avoid an automatic interest charge.
Due date for payment of supplementary declarations for December 2018.
Deadline for online monthly or quarterly return filing.
Q3 (2018/19) PAYE/NIC payment due where paid by cheque. The cheque must be with HMRC by this date in order to avoid automatic interest charge.
If you pay by cheque through the post, monthly payments due for PAYE, class 1 NICs and student loan deductions from December 2018.
Construction Industry Scheme: monthly return due for period up to 5th of previous tax month.
Due date for income tax for the CT61 quarter to 31 December 2018.
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