October Key Dates in the Financial Calendar

We know that October is a busy month for financial deadlines, so we wanted to help those of you who may be finding yourself a bit stretched. When there’s what feels like endless deadlines, it can be hard to stay on top of everything.

We wanted to help, so we’ve prepared a handy guide with those all-essential dates – to help you keep on track. If you haven’t already, then mark dates in your calendar, and you may even want to set some reminders! After all, the key to a busy financial month is organisation.

Key Dates:

1 October 2020

The due date for the payment of Corporation Tax (CT61) for the period ended: 31st December 2019

5 October 2020 –

Deadline for registering for Self-Assessment to notify chargeability of Income Tax or Capital Gains Tax for 2019/20 (if you’re self-employed or a sole trader, not self-employed, or registering a partner or partnership


7 October 2020 –

Deadline for VAT returns and payments of Accounting Quarter period ending: 31st August 2020

14 October 2020 –

Income tax due date for CT61 period to 30 September 2020

19 October 2020 –

Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC

22 October 2020 –

Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC

31 October 2020 –

The deadline for paper/postal submissions for self-assessment tax returns for tax year ended 5th April 2020 to be received by HMRC (Meaning ensure that you have sent these with enough time for receipt)