What is Countersignature? Definition, Examples, and Purpose

Countersignature, also known as counter-signing or co-signing, refers to the act of signing one's name next to another person's signature on a document, indicating that the signer (the person whose name is being signed) has approved or endorsed the contents of the document.

In other words, countersignature is a way of confirming or verifying the authenticity of someone else's signature, and it serves as a form of authorization or approval. For example, a parent may countersign their child's application for a passport to indicate that they have given their consent for the child to travel abroad.

Countersignature is commonly used in legal and official documents, such as contracts, agreements, and forms, where it is important to ensure that all parties involved have reviewed and agreed to the contents of the document before it is signed. It can also be used in financial transactions, such as loan applications or credit card agreements, to confirm that the applicant has read and understood the terms and conditions of the loan or credit agreement.