HMRC thinks I am someone else – and it's costing me £450 a month

A Taxing Mistake: HMRC Mixes Up Identity, Costs Individual £450 a Month

In a shocking case, HM Revenue & Customs has mistakenly associated someone else's job details with an individual's national insurance (NI) number. The error has resulted in the individual being taxed as if they have two jobs, earning twice as much as they actually do, and facing a hefty fine.

The mix-up occurred during a tax code review last year after the person had changed jobs. HMRC's system mistakenly matched the individual's employment data to that of another woman who shared some of their personal details, including their NI number. This was only discovered when the individual was contacted by HMRC to address discrepancies in their tax payments.

The consequences were severe: £450 a month in extra taxes and National Insurance (NI) contributions. The individual had to wait 90 minutes to speak with an adviser before being informed of the mistake.

HMRC has since rectified the situation, disentangling the two individuals and promising to refund overpaid tax through the next payslip. Additionally, they will pay £75 in compensation.

However, the incident raises questions about data security and compliance. When asked if HMRC had declared a data breach to the Information Commissioner's Office, officials stated that it was not necessary, citing the limited sharing of personal details between the two individuals.

The incident highlights the need for greater vigilance when dealing with sensitive information, such as NI numbers and employment data. With billions of pounds in taxes being paid every year, mistakes like this can have a significant impact on individuals' finances.
 
Ugh 🤦‍♀️ that's so frustrating! I mean, £450 a month is crazy, imagine having to pay that much extra just because someones else's info got mixed up with yours... it's a total nightmare 😩. And 90 minutes to get sorted out? That's like, what even is that? 🙄 I feel bad for the person who went through all that stress and hassle.

And I don't think HMRC handled it well either, not declaring a data breach and stuff... shouldn't they be more careful with our personal info? 🤔 It's just so annoying when these things happen and people get caught in the middle. Anyway, glad they're refunding the overpaid tax and paying compensation, but still, someone needs to learn from this mistake 🤷‍♀️
 
omg what's going on with HMRC's system? like £450 a month is a huge fine! 🤯 that's like paying for 2 jobs 🤑 and i'm so sorry to hear the individual had to wait 90 mins just to get their problem sorted 🕰️ it's crazy how easily these mistakes can happen. data security should be a top priority, especially with sensitive info like NI numbers 📊 hopefully this incident will lead to some changes to prevent similar errors in the future 💡
 
OMG I cant even believe this is still happening in 2025 🤯💸 Like how do they not check IDs or stuff before sending out tax forms? £450 a month is a huge mistake and I feel bad for that person who got screwed over 😩. It's like they're trying to make sure people are really struggling financially. And what's with the 90-minute wait time to speak with an adviser? That's just ridiculous 🙄. Data security should be top priority, especially when it comes to sensitive info like NI numbers and employment data.
 
ugh I'm still fuming about these tax mix-ups 🤯... it's just so frustrating when the gov't messes up something simple like this. £450 a month is a lot of money to be paying for their own mistake! 🤑 and what really gets me is that they had to wait 90 minutes to talk to someone about it? 90 minutes?! That's insane! 😡

and don't even get me started on the data security stuff... sharing personal info between ppl without consent is just weird. shouldn't HMRC be more careful with that kinda thing? 🤔 I mean, it's not like they're dealing with, say, confidential business info or something... it's people's tax returns we're talking about! 💸

anyway, at least the gov's making amends and refunding the overpaid cash. But seriously, shouldn't this have happened in the first place? 🤷‍♀️
 
🚨 Come on HMRC, get your act together! £450 a month is bloody ridiculous! I'd be losing sleep over that mistake, not to mention my entire bank account. And 90 minutes to sort it out? That's not exactly speed dial, mate. This highlights just how vulnerable our personal info is in this day and age. How can you mess up something as simple as a tax code review? 😒 It's time for some serious data security audits and better training for your staff!
 
Ugh, what's up with HMRC?! 🤦‍♂️ I mean, they're supposed to be keeping track of our tax info, not getting it all mixed up like some sort of digital spaghetti mess! £450 a month is crazy, and 90 minutes on hold? That's just ridiculous. And no warning whatsoever before they start taking extra cash from you? Uncool, man.

I'm glad they're refunding the overpaid tax and giving that person £75 in compensation, but it's still a huge headache for them. I don't think data security is just about declaring a breach or not; it's about having solid systems in place to prevent this kind of thing from happening in the first place.

It's like they're saying, "Oh well, it was an honest mistake." No, it's not! It's a big mistake that's gonna affect people's lives. We need better safeguards, more transparency, and some serious IT upgrades to make sure our tax info is safe. Otherwise, we're just gonna keep seeing these kinds of messed-up stories like this one. 🤯
 
omg this is insane!!! £450 a month is crazy talk! i mean, think about it, that's almost £2k a year... for a mistake that could've been avoided if they just double checked the info 🤯 and now they're gonna refund it all and pay someone £75? what's the point of even having an adviser if its gonna take 90 minutes to sort this out?! 😩 data security is like, soooo important these days... we need better measures in place to prevent this kinda thing from happening.
 
omg, can u believe that hmrcc made such a silly mistake? it's like they thought those 2 ladies were twins or somethin 🤯 i mean, who gets taxed for somethin they didn't even do? £450 a month is crazy! and havin to wait 90 minutes for an adviser is just ridiculous. data security should be way more important than that. it's not like hmrcc is the only one with this kinda problem... google it and u'll find plenty of other stories about ppl gettin screwed by gov't systems 🤦‍♀️ they really need to step up their game 💪
 
ugh, its so messed up when these things happen... 🤯 £450 a month is insane! i mean i get it, everyone makes mistakes but this one takes the cake, literally, who has that kind of time to wait in line for 90 minutes to sort out their taxes? 🕰️ and its not just the individual who's affected, think about all the other people whose info got mixed up too. like what if it happens to you? would you be able to afford a £450 monthly fine? 😱 anyway, i guess this is just one of those things that shows how important it is to have good data security measures in place 🤖
 
I cant believe how messed up HMRC's system is 😱! I mean, two jobs? £450 a month? That's just crazy! 🤯 It's so frustrating for someone who's already dealing with tax issues to find out they're being taxed on someone else's info. And 90 minutes to get the right answer from an adviser? Unbelievable! 😡 The fact that they didn't even declare it as a data breach is just wow... how do you expect people to trust the system when it can mess up like this?! 🤷‍♀️ I'm all for transparency and accountability, so hopefully HMRC will take steps to prevent something like this from happening again. 💪
 
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