Master (form of address) - Wikipedia, the free encyclopedia
The general usage follows the English, though less strictly. Adult males are addressed, formally, as Mister, while boys are addressed formally as Master, though the latter is retained only in highly formal situations (such as for weddings and wedding invitations) and by some older persons. The age at which the transition from master to mister takes place is not strictly observed, though approximately 13, or the beginning of high school (13 to 14) is usual for those who still observe the distinction.
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