When will 2023/2024 NI be updated

I've read on here recently that NI for the previous tax year can take up to October of the new tax year to be processed. We are now in November and my 2023/4 is still showing as not updated. When will my record be updated?

Hi,
If your records have not been updated to show your employment for the 2023 to 2024 tax year yet, you can write to us to ask them to check this for you.The address to write to is:
Individual Caseworker,
PT Operations North East England,
HM Revenue and Customs,
BX9 1AN
Please include the following information in your letter:

• All employer details which should include employers name and address, your payroll/staff number, if known, and the tax year the earnings are missing from
• Evidence of your earnings during the period, for example pay slips, P45 or P60 certificates
• Your personal details – full name (including any previous names), date of birth, address, contact number and your National Insurance number
• Your signature

Thank you.