May
- May 31 – All those who were employed as of 5 April must be issued with a P60 form.
July
- July 6 – P11 deadline
- This is the deadline for submitting 2023/24 P11D forms to HMRC. It’s also the deadline for submitting the return of Employment Related Securities.
- July 31 – Payment on Account Deadline
- If you are self-employed or in a partnership business, you may have to make the second payment on account towards your 2023/24 tax bill by the end of July.
September
- September 10 – Wage Figures will be Announced
- The latest wage figures, which impact the state pension and triple lock calculations, will be made public.