Why does translation need stamp authentication?

When the client's translation certificate (translation) is submitted to some offices, such as embassies, notary offices, industrial and commercial bureaus, customs, schools, courts, public security bureaus, etc. Translation generally requires stamp authentication. The purpose of stamping is to prove that the translation was accurately translated by an authoritative translation company recognized by the relevant state departments, and fully expressed the meaning of the original text. Then the translation stamped by a qualified translation company is a valid translation recognized by law.