:: : : As a general concept that's true, but negotiable paper, like most technical areas of law, rely on specific distinctions.
2.
There may be some issue as to what constitutes a signature, but as a " general " rule, it's quite possible in many jurisdictions for an electronic document to be negotiable paper.
3.
:: There are plenty of meaningful electronic documents under the Uniform Commercial Code in the U . S . I don't know anything about Thai law ( where your IP is from ), but in the U . S . negotiable paper only requires a writing ( which has a very broad definition under the U . C . C ., encompassing many electronic forms ) and a signature, in addition to all the other requirements.
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