noun which may take the genitive case particle 'no'
reported; notified; registered
Indicates that a required report, notification, or registration has already been completed. Often used in administrative or official contexts.
This document has already been submitted.
An already registered change of address does not require another procedure.
Standard spelling for 'already reported/registered'.
Abbreviated spelling; less common but still used in some official contexts.
Compound of 届け (notification, report) + 済み (completed, finished).