Key tax dates

The below shows the upcoming tax payment and filing deadlines that you should be aware of. It is

important to remain abreast of these deadlines to avoid penalty and interest charges.

Calendar of key tax deadlines – Employers

Task Note Deadline Period
Employers PAYE/NIC payment and CIS returns & payment due * Due on 22nd if paid electronically 19/04/2024* 05/04/2024 (month)
Employers PAYE/NIC payment and CIS returns & payment due * Due on 22nd if paid electronically 19/05/2024* 05/05/2024
Give each employee a P60 for 2023/24 31/05/2024 05/04/2024 (year)
Changes to advisory fuel rates Previous rates can be used until 30/06/2024 if desired. 01/06/2024 01/06/2024 - 31/08/2024
Employers PAYE/NIC payment and CIS returns & payment due * Due on 22nd if paid electronically 19/06/2024* 05/06/2024
PAYE settlement agreement application deadline 05/07/2024 05/04/2024 (year)
P11D information for 2023/24 to be given to employees where relevant 06/07/2024 05/04/2024 (year)
Deadline for notifying HMRC of shares & share options awarded to employees 06/07/2024 05/04/2024 (year)
Deadline for P11D and P11Db forms to be submitted to HMRC. 06/07/2024 05/04/2024 (year)
Employers PAYE/NIC payment and CIS returns & payment due * Due on 22nd if paid electronically 19/07/2024* 05/07/2024
Class 1A NICs payment due to HMRC * Due on 22nd if paid electronically 19/07/2024* 05/04/2024 (year)
Task Deadline Tax Year
Due date for second payment on account for 2023/24 31/07/2024 2023/24
Deadline for notifying HMRC of chargeability , if not already within Self-Assessment 05/10/2024 2023/24
Paper tax return filing deadline 31/10/2024 2023/24
Online return filing deadline, if you wish for HMRC to collect tax due of up to £3,000 via your 2025/26 tax code 30/12/2024 2023/24
Online return filing deadline payment of tax for 2023/24 and first payment on account for 2024/25 31/01/2025 2023/24
Accounting period end CT600 filling date Corporation tax payment date
30/04/2023 30/04/2024 01/02/2024
31/05/2023 31/05/2024 01/03/2024
30/06/2023 30/06/2024 01/04/2024
31/07/2023 31/07/2024 01/05/2024
31/08/2023 31/08/2024 01/06/2024
30/09/2023 30/09/2024 01/07/2024
31/10/2023 31/10/2024 01/08/2024
30/11/2023 30/11/2024 01/09/2024
31/12/2023 31/12/2024 01/10/2024
31/01/2024 31/01/2025 01/11/2024
29/02/2024 28/02/2025 01/12/2024
Quarterly/monthlyVAT return period end Return and payment deadline
29/02/2024 07/04/2024
31/03/2024 07/05/2024
30/04/2024 07/06/2024
31/05/2024 07/07/2024
30/06/2024 07/08/2024
31/07/2024 07/09/2024
31/08/2024 07/10/2024
30/09/2024 07/11/2024
31/10/2024 07/12/2024
30/11/2024 07/01/2025
31/12/2024 07/02/2025