One of the most interesting things about being a cross-border lawyer is this:
you often have to explain things that Chinese people consider completely ordinary.

For example: #
Why were older Chinese Resident ID numbers 15 digits, while current ones are 18 digits?
Where does the extra “19” come from?
How is the 18th check code calculated? #
It may sound simple, but in cross-border matters such as document review, banking compliance, identity verification, notarization, legalization, and inheritance, common knowledge is not proof.
It is not enough to know the answer.
You need to identify the legal basis, the national standard, and the calculation method, and then explain and prove the conclusion clearly.



To me, this reflects the nature of cross-border legal work:
a lawyer’s job is not just to cite legal rules, but to connect law, facts, documents, and logic in a way that actually solves problems.
Of Course, You should also be good at Math! #


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