@kurisu well I needed an NIN to open a bank account, I need it to get welfare I think..so right now I don't see how it differs
the NI number is used as an identifier for all taxation and state benefits (as intended), but since
15 years there are more precautions against money laundering at banks and a massive push to cross reference DWP records with those of the DVLA and Home Office (Passport records) - this is done at several points when you get a driving licence (you now need your NI number as well as home address and licence number to view your DVLA online records)
I used to get carded all the time but it stopped a few years ago, I suspect because I've put on some weight and shop workers/security guards nowadays get put on "cultural awareness" courses where they are taught stuff like Asians tend to get wider after their 30s (even if they don't get any taller) 😆
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