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.
この書類は届け済みです。
This document has already been submitted.
届け済みの住所変更は再度手続き不要です。
An already registered change of address does not require another procedure.
Compound of 届け (notification, report) + 済み (completed, finished).