noun which may take the genitive case particle 'no'
acknowledged; accepted; agreed
Used in formal or business contexts to indicate that something has been officially acknowledged or approved. Often appears as a no-adjective modifying a noun, e.g., 了承済みの事項 (an acknowledged matter).
That matter has already been acknowledged.
Please submit the acknowledged documents.
Compound of 了承 (acknowledgment) and 済み (completed, done). The suffix 済み indicates that the action has been completed.