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Official Seal (chop)

Meaning

An Official Seal (chop) is a formal, authorized stamp or emblem, which can be physical or digital, used by a corporate entity, governmental body, or clinical institution to legally authenticate and validate the integrity of a document. In many jurisdictions, particularly in East Asia, this “chop” serves as the legally binding signature of the organization itself. Within the hormonal health domain, it is required on critical documents like regulatory submissions, official medical certificates, and international business contracts. Its presence signifies institutional endorsement and legal validity.