Alien Papers -- how would someone from another reality use *their* native documents to function in our reality?

Related to this question, which deals with the no-papers visitors.

However, in my case, instead of a character with no paperwork whatsoever -- we're dealing with someone from an alternate reality who has some form of identification or travel documentation from their native reality; this could take the form of a diplomatic letter bearing the official seal of the character's people, or whatever E.T.'s version of a passport is.

How would they use their native documentation to obtain a legal set of identity and travel documents for our reality? Assume that:

• Their alien documentation is genuine.
• They have no powerful, all-purpose magic/technology to circumvent this with.
• They are of age of majority where they are from.
• They have no means of returning to their alternate reality, or contacting anyone in it, and nor does anyone seeking to authenticate their papers.
• They can reveal that they are from an alternate reality/alien planet/... if needed, but would prefer to not become a tabloid sensation for it -- they want to live a reasonably normal life in our world, even if they have alien features or are an actual extraterrestrial.
• They may or may not speak the local language of where they got stuck, but can figure out some means of communicating with us humans given enough time.

posted about 8 years ago

Shalvenay‭

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