HMRC has issued a statement about tax codes after being contacted by someone concerned that tax codes had suddenly changed.

A customer contacted the government agency through X and asked: “My husband had the right to file a claim. state pension in September this year but did not request it. Could you please tell me why the tax code changed from 1383M to 931M?”

The tax authority first asked the person to explain which tax code was on the payslip. They said that the payroll issued on October 31 was 1383 million, and the payroll for November 7 was 931 million.

HMRC He then asked the man if a tax code notice had been sent about the change, but the person said he had not been sent.

The authority then advised the person to call the helpline about the issue unless they were in a position to speak on their own behalf.

The woman said she had records of the overpayment a few years ago but wasn’t sure if it would still be valid.

HMRC Directed the taxpayer to general income tax inquiries page On the government website.

You can call the department on 0300 200 3300. You can reach this number from 8 am to 6 pm, Monday through Friday.

If your tax code has the letter M at the end, this means you’ll get 10 per cent of the personal allowance from your partner, adding an extra £1,260 to your tax-free allowance.

This complies with marriage benefit rules, which allow you to transfer some of your personal allowance to your spouse or civil partner.

To be eligible for marriage benefit you must earn below the standard personal allowance of £12,570 per year.

Couples should note that you need to be married or in a civil partnership to do this, as if you were just living together, this does not count.

full new state pension it is currently £221.20 a week or £11,502.40 a year, which is just over £2,000 away from being subject to income tax.

with triple lock This will rise to £230.30 a week and £11,975.60 a year, with payments increasing by 4.1 per cent next April.

full foundation state pension He pays £169.50 a week and this will rise to £176.45 a week from next April.