1 – Due date for payment of Corporation Tax for the year ended 31 December 2019
5 – If a Tax Return has not been received, individuals and trustees must notify HMRC of new sources of income and chargeability in 2019/20
14 – Return and payment of CT61 tax due for quarter to 30 September 2020
19 – Tax and Class 1B national insurance due on PAYE settlements for 2019/20
19/22 – PAYE/NIC, student loan and CIS deductions due for month to 5/10/2020 or quarter 2 of 2020/21 for small employers
31 – Deadline for 2019/20 self assessment paper returns to be filed for HMRC to do the tax calculation. If a paper return is being filed also the deadline for tax underpaid to be collected by adjustment to your 2021/22 PAYE code (for underpayments of up to £3,000 only)
