Power of attorney: A legal document giving one person (called an "agent" or "attorney-in-fact") the power to act for another person (the principal). The agent can have broad legal authority or limited authority to make legal decisions about the principal's property and finance. The power of attorney is frequently used in the event of a principal's illness or disability, or when the principal can't be present to sign necessary legal documents for financial transactions.

Proxy: the written authority to act or vote on behalf of another person. •
proxy holder: the party authorized to vote•
proxy fight or proxy contest: a contest between two or more opposing sides to solicit proxies from shareholders in order to gain control of the company through the election of the board of directors.
proxy statement: the written material which goes with the solicitation (asking for) of a proxy from a shareholder.
“The proxy statement was filed with the Financial Supervisory Authority.”

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