1A formal report or notification made to an authority (such as a government office) about a required matter; also the document used for it. In laws, administrative writing, and forms the okurigana is usually dropped (届出書, 出生届出).
引っ越したら、市役所に転居の届け出をしなければならない。
After moving, you have to file a change-of-address notification at the city office.
飼い犬の登録には、保健所への届け出が必要です。
Registering a pet dog requires a notification to the public health center.
婚姻届などの届出は、夜間や休日でも時間外窓口で受け付けている。
Filings such as a marriage registration are accepted at the after-hours window even at night or on holidays.
開業にあたり、税務署に開業届の届出を済ませた。
When starting the business, I completed the business-opening notification at the tax office.
落とし物の届け出があったか、交番で確認してもらった。
I had the police box check whether a report about the lost item had been filed.