koseki– tag –
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After an International Wedding in Japan: Which Name Changes—and Which Records Must Follow?
A practical guide for international couples in Japan explaining whose surname changes, how legal and social names differ, and which documents foreign residents and Japanese spouses should update. -
Getting a Koseki as a Foreign Spouse: Documents, Limits, and Practical Steps
A practical guide for foreign spouses who need proof of marriage or family relationships in Japan. Learn which koseki records you can request, what they cannot prove, current fees, and how wide-area issuance works.
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