Reversal of marriage tax allowance to my spouse

Hi, I applied in 2019 to transfer part of my personal tax (£1260) allowance to my spouse as I was not taking an income that required tax deduction. Starting from October 2023 I will be taking a taxable income and I require to reverse the allowance I gave to my spouse. I have tried to do this through the tax "gateway" but it only allows me to cancal my marriage tax allow which I don't want to do. How do I go about getting my full tax allowance back? I realise some of this may have been used to date by my spouse but as I said just need to reverse the remaining part I gave across to my spouse Any information is much appreciated. Kind regards

Hi Steve1byrne Byrne,
Please contact our Income Tax Team so we can review this:
Income Tax: general enquiries
Thank you.