I do not know if it’s true for all countries, but at least the USA and the UK require your passport to be signed to be valid. And I know that when I fly, I sometimes get checked if it is signed.

Is there a practical reason for this? Does the signature get checked against anything? Or is it simply that the law says a passport must be signed to be valid, so there you go?

I googled around a bit, but only found resources on how to sign, but not why it needs to be signed.

Thank you Internet hive mind!

  • Toes♀@ani.social
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    6 months ago

    My understanding is that the signature is required to express that you’ve confirmed that the document is accurate.

    • Ziggurat@sh.itjust.works
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      6 months ago

      Not even a disability, but kids under 5-6 can’t sign by themselves, and will nead at least another decade to come with a real signature.

      Think about this 9 year old with a toddler photo on their passport and a parent signature over is

      • Thavron@lemmy.ca
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        6 months ago

        Had to make a passport for my (at the time) 1yo. It had “not able” where the signature would go.

    • 📛Maven@lemmy.sdf.org
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      6 months ago

      I personally have a signature stamp. I imagine that would work for anyone who has literally any range of motion, down to “can hold a stamp in their teeth and tilt their head a few degrees to press it against a document”.

      For people who don’t have even that, I think a notary is allowed to sign on your behalf, if they can be provided documentation of your disability, but that will vary by country of course.

      • acetanilide@lemmy.world
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        6 months ago

        Yes, a legal representative can do it. I’m not sure if just a notary would suffice though, at least not where I am.

        Thumbprints are another possible way. Also simple marks like an X.

  • xmunk@sh.itjust.works
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    6 months ago

    The theory is that you’ve signed your passport and it’s on a type of paper that will visibly deform if you try to erase it or white paper over it - so in theory a border guard could ask for your signature and compare it to the one on the document as a proof of identity.

    In the modern world this doesn’t really matter because we’ve got a lot better ways to authenticate - including databases with your signature already in them.

    However, the tradition lives on.

    Oh also, it’s always a good idea to get someone to sign something if they’re doing fraudulent stuff - since it’s absolutely trivial to prove a forged signature done in front of a witness in court… it’s like getting Capone for tax fraud - easy to prove cases are easy.

  • Dagwood222@lemm.ee
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    6 months ago

    [off topic]

    Back in the day, people were told to use cursive writing on checks and other documents because it was harder for crooks to forge them.

  • xePBMg9@lemmynsfw.com
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    6 months ago

    Legacy from a time when it was used as authentication. I guess. I sure find myself not reproducing my past signatures very well. Never got me in to trouble.

    • acetanilide@lemmy.world
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      6 months ago

      Banks will sometimes require your signature match the original signature they have on file. I’m guessing it’s not as common anymore with online banking but I know a few years ago I had to sign something a number of times because it wasn’t close enough to the original.

      I thought about it and it might have been around 10 years ago😬

    • Hatechildren@lemmy.world
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      6 months ago

      I had my passport renewal denied because the signature on the renewal form didn’t match the old passport. And since I no longer had the old passport to copy the signature style when I resubmitted, I had to throw in a photo copy of my drivers license (that had my signature), use that signature style on the new form, and a letter explaining that the signature on the new form matches something official and is correct.