An affidavit is a formal sworn statement of fact, signed by the author, who is called the affiant or deponent, and witnessed as to the authenticity of the affiant’s signature by a taker of oaths, such as a notary public or commissioner of oaths.

A “power of attorney” is a legal instrument whereby one person gives another person the authority to act on his or her behalf as his legal representative, and to make binding legal and financial decisions on your behalf. In Strouds judicial dictionary “power of attorney is defined extensively as an authority.

www.attestationhelp.com