Dates & deadlines
21 January 2020
EC sales list
Deadline for online monthly or quarterly return filing.
Due date for payment of supplementary declarations for December 2019.
22 January 2020
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.
Quarterly electronic PAYE/class 1 NICs payment
Q3 (2019/20) PAYE/NIC payment due in order to avoid an automatic interest charge.
31 January 2020
Loan charge settlements deadline
Deadline for all settlements on loans advanced through disguised remuneration schemes dating back to 1999, subject to change.
Company accounts filing deadline
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2019 to be submitted to HMRC.
Self-assessment deadline (online)
Deadline for online submission of self-assessment tax return for 2018/19 tax year.
Self-assessment deadline (balancing payments)
Deadline for online submission of self-assessment balancing payments for 2018/19 tax year.
Self-assessment deadline (payment on account)
Deadline for first self-assessment payment on account for tax year ended 5 April 2019.