Stamping is an important means for companies or organizations to prove the legitimacy and authenticity of their documents. As a legal document, the power of attorney needs to prove the authenticity of its source and content in order to avoid possible legal disputes.
The power of attorney for account consolidation involves major decisions and actions of the company or institution. Stamping shows the company or organization's recognition and consent to the power of attorney, and also shows the company or organization's attitude towards the authorized matters.