Quite.The generic sticker I use has a place for my name and certification number....
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IIRC, the sticker of the LDS being discussed doesn't have a number displayed. Honestly, I do not remember a single "shop sticker" having a number on it from any shop. Why do I if they don't?
Interesting...
If a sticker represents and is used as a proof of validity, then there needs to be some standardisation with that sticker to ensure its been issued by a valid inspector who is in cert
For instance - without yoru number how could I check that you'd been trained or indeed are in cert
Shops should do the same, and then at least if you took your tank from shop A to shop B there should be some trust.
They shop will accept a Nitrox fill by showing a cert card without you sitting one of their exams.
I think too much weight is placed on the Vis inspection as it doesn't prove the cylinder can hold pressure or even that its safe to fill.
It only shows that on the day of inspection nothing problematic was seen