certified mail
noun1
US First class mail that provides the sender a proof of mailing and a delivery receipt.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
US First class mail that provides the sender a proof of mailing and a delivery receipt.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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