maxb

To expand upon the admin's rather brief reply: You cannot claim for previous years within your current tax return. If you completed a tax return in previous years, but now realise you should have claimed relief, the window for making amendments to 22-23 returns via the software/website they were originally submitted by is still open. However the window for easy amendments to 21-22 is closed, and I think you'll probably be forced to send a paper letter about that... although do try HMRC Self Assessment webchat first just in case they're willing to do it that way.

Careful, deficiency relief and top slicing relief are different reliefs, don't mix up figures between the two. My impression (never having done it myself, but trying to work out the details in expectation of needing to in a future year) is that there is no box within the return itself for the amount of top slicing relief. Rather, the boxes in SA101 take the total gain, and the years over which it is to be sliced. Calculation, as I understand it, would happen when/if completing a SA110 Tax calculation summary, although I've only ever filed online and had the website do the calculations for me. There is a (fiendishly complex) worksheet in the SA110 notes which may be useful for helping clarify parts of the process even if you don't use it in full. I don't know whether if your position, you're required to submit a SA110, or can just submit without it and let HMRC do the calculations.

It's surprising to me that the workplace pension's costs are so much as to push you towards a SIPP - the ones my various employers have used have typically been good value. But, assuming you've done the maths and are happy with that decision, another thing you could consider is **how** your salary is added to your workplace pension... if it is by salary sacrifice - and with employers paying £100k+ it often is - then you are also saving a deduction of 2% employee NICs on the amount going to your pension - and this is a saving you can't claim back if you instead choose to be paid directly, and then make your own SIPP contributions. If you still think it's worth making your own contributions, then yes, it is possible to get a tax code adjustment, as I've had that treatment in years past. I don't know if it is possible to contact HMRC ad-hoc and get your tax code increased for the current year based on your plans - it might be, but I've never done it. I do, however, know that on the Self Assessment tax return, right after the place you declare contributions, there's a box to say how much of the contributions were one-off (as opposed to recurring), so that HMRC know how much credit for anticipated pension contributions to include in your tax code for the year following.

Indeed, that would be too good to be true - the missing detail is that the refund paid to you, becomes part of your overall taxable income, and so is itself taxed. The end result of all of these processes is that you end up having been relieved of income tax **on the amount that actually ended up being added to your pension**, but not having received any "bonus" relief outside of the pension.

If you expand the inline help section "Tailor your return 01 - Employee, director, office holder or agency worker", it includes the wording: Do not complete the Employment pages if you: * ... * were a company director but received no payments of any kind or benefits from that directorship * ... If any of the 3 bullets above apply to you, tell us why you are not completing an Employment page in the 'Any other information' box and give the name of the particular directorship you are not submitting a page for. So, happily, for this case, there's clear advice

After however long it takes for HMRC's systems to process the return, I guess... But you don't necessarily need to wait for that - if you are working on or have just submitted a return, and want to know the actual amount you need to pay by 31st January, you can take the 2023/24 balancing payment and first payment on account for the new 2024/25 year (if any) from the return, and manually subtract any credit on your tax account including payments on account for 2023/24. The info about your account can be found under "View account" in the Self Assessment portion of your online account.

I'm no expert, and EIS is complicated, but I've been doing a lot of reading of the online resources to be ready to fill in my own tax returns... I've not come across anything suggesting a validly claimed relief being withdrawn due to future performance of the company AFTER sale of the shares.

It's pretty much a tax code issue by definition, since the purpose of the tax code is to guide the PAYE process into accurately estimating your tax... But of course that's no a very helpful thing to know, to understand what happened. You should look through all of the factors that contribute to your tax code - allowances, other sources of income besides employment, etc. - and compare these to your tax return. Somewhere, there's an allowance or income that is substantially different between the two. You can look up your tax code and why it was given to you using other functions of the same HMRC website as where you complete your tax return. For understanding your tax return, I find the page reached via "View your calculation" then "View or print your full calculation" is the most useful in explaining the result. You mentioned having two jobs - one after the other, or two jobs at once? That would be a complication in which errors could arise. Also, should you have earned more than £100,000 in the year, reduction of your Personal Allowance would occur - that often isn't taken care of via PAYE correctly at first.

All of the information I've come across whilst trying to help my father fill in his tax return suggests everything is worked out in terms of weeks. Also, apparently the day of week is different for different people according to their NI number, according to https://www.gov.uk/state-pension/when-youre-paid

My understanding is that if it's relief at source, it's always box 1. I believe box 3 is for things like the example at https://www.gov.uk/hmrc-internal-manuals/pensions-tax-manual/ptm044240