CGT and section 104 holding
#1
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Joined: Dec 2018
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Hello All
Just returned to UK and still grappling with CGT rules !
Does anyone know if shares acquired before return to UK, and still held, need to be pooled under section 104 rules ?
I thought I had read that shares acquired before return could be sold on First In First Out basis but may well be wrong about this. My brain has gone walkabout dealing with the the return to UK !
Sincere thanks for any input.
Just returned to UK and still grappling with CGT rules !
Does anyone know if shares acquired before return to UK, and still held, need to be pooled under section 104 rules ?
I thought I had read that shares acquired before return could be sold on First In First Out basis but may well be wrong about this. My brain has gone walkabout dealing with the the return to UK !
Sincere thanks for any input.
#2
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I don’t know the answer but I have had lots of shares that I bought before leaving the USA that I subsequently sold and it was actually fairly straightforward. Using historical exchange rates published on XE.com I calculate the cost in GBP and also the exchange rate on the day I sell them gives me the sale proceeds in GBP.
#3

Hello All
Just returned to UK and still grappling with CGT rules !
Does anyone know if shares acquired before return to UK, and still held, need to be pooled under section 104 rules ?
I thought I had read that shares acquired before return could be sold on First In First Out basis but may well be wrong about this. My brain has gone walkabout dealing with the the return to UK !
Sincere thanks for any input.
Just returned to UK and still grappling with CGT rules !
Does anyone know if shares acquired before return to UK, and still held, need to be pooled under section 104 rules ?
I thought I had read that shares acquired before return could be sold on First In First Out basis but may well be wrong about this. My brain has gone walkabout dealing with the the return to UK !
Sincere thanks for any input.
#4
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Joined: Dec 2008
Posts: 340












HMRC publishes exchange rates, using these avoids the risk of arguements:
https://www.gov.uk/government/publications/hmrc-exchange-rates-for-2022-monthly
https://www.gov.uk/government/public...and-vat-yearly
The rules on share pooling should be here somewhere:
https://www.gov.uk/government/public...gains-tax-2019
Otherwise, you could try posting the question on a tax forum:
https://community.hmrc.gov.uk/customerforums/
https://www.taxationweb.co.uk/
https://www.gov.uk/government/publications/hmrc-exchange-rates-for-2022-monthly
https://www.gov.uk/government/public...and-vat-yearly
The rules on share pooling should be here somewhere:
https://www.gov.uk/government/public...gains-tax-2019
Otherwise, you could try posting the question on a tax forum:
https://community.hmrc.gov.uk/customerforums/
https://www.taxationweb.co.uk/
#5
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durham lad, Many thanks for your reply. You have a great deal of knowledge and I appreciate your help.
I am wondering if the shares you sold in the UK consisted of a single batch of shares purchased in USA as then I suspect there would be no need to pool ?
My situation is that I have batches of the same share purchased at different times and if I only sold a few of these, I wonder if a pool is required under HMRC rules. Anyway, I realise this is a rather specific question and I may require professional advice.
Interested also that you used XE.com for exchange rates, I was thinking of using daily Bank of England rates. Can I assume HMRC have never questioned the use of daily rates or XE.com ?
Thanks for any further input, however if you prefer not to give further details that is fine too. You are always very helpful on this forum.
I am wondering if the shares you sold in the UK consisted of a single batch of shares purchased in USA as then I suspect there would be no need to pool ?
My situation is that I have batches of the same share purchased at different times and if I only sold a few of these, I wonder if a pool is required under HMRC rules. Anyway, I realise this is a rather specific question and I may require professional advice.
Interested also that you used XE.com for exchange rates, I was thinking of using daily Bank of England rates. Can I assume HMRC have never questioned the use of daily rates or XE.com ?
Thanks for any further input, however if you prefer not to give further details that is fine too. You are always very helpful on this forum.
#6
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Thanks tdrinker, wasn't aware of www.taxationweb.co.uk...excellent site.
#7
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Joined: Aug 2013
Location: Eee Bah Gum
Posts: 3,706












durham lad, Many thanks for your reply. You have a great deal of knowledge and I appreciate your help.
I am wondering if the shares you sold in the UK consisted of a single batch of shares purchased in USA as then I suspect there would be no need to pool ?
My situation is that I have batches of the same share purchased at different times and if I only sold a few of these, I wonder if a pool is required under HMRC rules. Anyway, I realise this is a rather specific question and I may require professional advice.
Interested also that you used XE.com for exchange rates, I was thinking of using daily Bank of England rates. Can I assume HMRC have never questioned the use of daily rates or XE.com ?
Thanks for any further input, however if you prefer not to give further details that is fine too. You are always very helpful on this forum.
I am wondering if the shares you sold in the UK consisted of a single batch of shares purchased in USA as then I suspect there would be no need to pool ?
My situation is that I have batches of the same share purchased at different times and if I only sold a few of these, I wonder if a pool is required under HMRC rules. Anyway, I realise this is a rather specific question and I may require professional advice.
Interested also that you used XE.com for exchange rates, I was thinking of using daily Bank of England rates. Can I assume HMRC have never questioned the use of daily rates or XE.com ?
Thanks for any further input, however if you prefer not to give further details that is fine too. You are always very helpful on this forum.
HMRC have never questioned how I determine the value in GBP of shares I bought in the past. I use XE.com for the historic values because that is what I have always done and their lookup feature is extremely easy to use. e.g. I don’t even know how to find the HMRC published exchange rate on October 26, 2014. XE.com was an example of one of the reputable sites listed by the IRS when I looked many years ago
#8
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Joined: Dec 2018
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Thanks again durham lad. I too used "specific id" when in US. Then moved to Europe where it was not permitted and had to re-state all my gains/losses for 3 years on FIFO basis as my "specific id" calculations were not accepted. This was a genuine mistake on my part due to lack of knowledge/forward thinking ! I am very reluctant to make any such error again thus my questions.
Agree XE.com is easy to use and also agree HMRC do not seem to publish 'official' daily rates although I believe they have no objection in daily rates being used.
I am assuming one should strictly speaking pool batches of the same share purchased before return to UK, but will get a professional opinion on this point.
It is always a pleasure to hear read your posts and know your experiences. Many thanks once again
Agree XE.com is easy to use and also agree HMRC do not seem to publish 'official' daily rates although I believe they have no objection in daily rates being used.
I am assuming one should strictly speaking pool batches of the same share purchased before return to UK, but will get a professional opinion on this point.
It is always a pleasure to hear read your posts and know your experiences. Many thanks once again
#9
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Joined: Dec 2021
Posts: 4


So to summarize:
- Ignore lots bought and sold while abroad
- For each lot of stock X purchased, find the exchange rate for that date (I used the Bank of England's exchange rates), and convert the lot purchase price to GBP
- Total the GBP lot costs
- Total the share quantities
- Divide #3 by #4 to obtain the HRMC average cost basis.
#10
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Thanks for reply AnotherDaveB ...
So am I correct in my understanding
1. shares bought and sold while abroad ignore.
2. shares bought while abroad but not sold go into the pool ?
Just want to make sure I understand 100% !
Many thanks
So am I correct in my understanding
1. shares bought and sold while abroad ignore.
2. shares bought while abroad but not sold go into the pool ?
Just want to make sure I understand 100% !
Many thanks
#11
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Joined: Dec 2021
Posts: 4


2. Yes. Although to be absolutely precise, it's the shares you hold when you become UK tax resident, which may not be the same date as you step foot back in the UK.
[And we should probably do a global search & replace to change 'bought' to 'obtained' as obviously all this applies to shares obtained by stock awards, ESPP, IPOs, gifts, etc as well]
I don't know if you are US citizen / greencard holder, but if so, you've probably aware that on sale of stocks it's recommended to report & pay UK capital gains to HRMC in the same calendar year as the sale (i.e. if you sell between April 6th and December 31st, don't leave it until you UK tax return is due), otherwise it makes both you US tax return and your cashflow harder to manage. If this applies to you and you do a single sale that involved multiple purchase lots, you'll probably attempt to report the gain to HRMC online. That online form has a field named 'date of acquisition'. I wasn't sure what to use here given the shares I sold in one go were accumulated across multiple purchase dates. HRMC clarified for me I only needed to enter one line for that sale, and to use the 'the date you first acquired an interest in the asset', which I've interpreted to mean the earliest purchase date in the S104 pool, which is not necessarily the same things as the earliest purchase date of the stocks actually sold.
Last edited by AnotherDaveB; Mar 10th 2023 at 11:02 am. Reason: Corrected April 5th -> April 6th
#12
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Thanks again AnotherDaveB what you wrote is very informative and helpful. The hoops we have to jump through for tax !!
Out of interest when you mentioned 'HMRC clarified for me' may I ask how you contacted them to get clarification. I find when calling I tend to get someone who doesn't have experience or knowledge of the detail in these situations. Is there a way to speak to a 'specialist' ? Thanks
Out of interest when you mentioned 'HMRC clarified for me' may I ask how you contacted them to get clarification. I find when calling I tend to get someone who doesn't have experience or knowledge of the detail in these situations. Is there a way to speak to a 'specialist' ? Thanks
#13
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Joined: Dec 2021
Posts: 4


Thanks again AnotherDaveB what you wrote is very informative and helpful. The hoops we have to jump through for tax !!
Out of interest when you mentioned 'HMRC clarified for me' may I ask how you contacted them to get clarification. I find when calling I tend to get someone who doesn't have experience or knowledge of the detail in these situations. Is there a way to speak to a 'specialist' ? Thanks
Out of interest when you mentioned 'HMRC clarified for me' may I ask how you contacted them to get clarification. I find when calling I tend to get someone who doesn't have experience or knowledge of the detail in these situations. Is there a way to speak to a 'specialist' ? Thanks
I've had much better experience posting questions to h t t p s : / / community.hmrc.gov.uk/customerforums/ (sorry for the strange formatting, apparently I haven't reached the number of posts needed o be allowed to include URLs in my posts).It can still take several days to get a reply, and sometimes they answer a different question to what you ask and you have to push back, but otherwise 5 stars. Do take a printout of any response you get though as questions do appear to age off.