Senses
报单/ 報單 tax declaration form
A form or receipt used for reporting goods or declaring taxes to customs and tax authorities; a tax return
报单/ 報單 announcement of success
(old) A notice or announcement sent to relatives and friends to share news of a happy event, such as passing a civil service exam or receiving a promotion
报单/ 報單 written notice
(literary) A formal written notice or report, such as a notice issued by a local official to summon parties to court