1.
proof of delivery; delivery certification; certified delivery
A postal service that provides the sender with official proof that a letter or package was delivered to the recipient. In Japan, this is a service offered by Japan Post for registered mail.
大事な書類なので配達証明で送った。
Since it was an important document, I sent it with proof of delivery.
配達証明をつけると、届いた日時が記録される。
When you add delivery certification, the date and time of delivery are recorded.
契約解除の通知は、内容証明郵便に配達証明をつけて送るのが一般的だ。
It is common to send a contract cancellation notice by certified content mail with delivery certification.
A compound of 配達 (delivery) and 証明 (proof, certification). Refers to a Japan Post service that provides the sender with a postcard confirming when the item was delivered.
COMMON COLLOCATIONS:
- 配達証明をつける — to add delivery certification
- 配達証明で送る — to send with proof of delivery
- 配達証明郵便 — certified delivery mail
- 配達証明付き — with delivery certification attached
RELATED TERMS:
- 書留 — registered mail (tracked and insured; 配達証明 is an add-on to this)
- 内容証明 — certified content mail (certifies what was written in the letter; often combined with 配達証明)
- 速達 — express delivery
- 普通郵便 — regular mail
PRACTICAL NOTE:
配達証明 is commonly used for legal or official correspondence where the sender needs proof that a document was received. Typical uses include contract termination notices, demand letters, and formal complaints. It must be combined with 書留 (registered mail) and cannot be used alone.