countersign in a sentence

v. t.

Definition

COUNTERSIGN: To sign a document in addition to another signature for the purpose of validating or approving it.

The manager asked her to countersign the contract to validate the agreement.
Before the check could be processed, it needed the accountant's countersign.
He was required to countersign the documents to ensure they were officially authorized.
The board requested that all members countersign the resolution to confirm their approval.
In order to prevent fraud, the application must be countersigned by a witness.
It is essential for the manager to countersign all contracts before they are finalized.
The artist requested that the gallery owner countersign the certificate of authenticity.
To ensure the document is valid, please have your supervisor countersign it as well.
After reviewing the proposal, she decided to countersign it to indicate her approval.
The financial agreement requires both parties to countersign for it to be legally binding.