Canada: Signing Documents As A Power Of AttorneyFirst, sign the name of the adult who appointed you;Second, write "by" and then sign your own name; and.Third, add the following qualification, "attorney-in-fact" after your signature.
The letters "p.p." before your signature on behalf of your brother indicate that the signature is under procuration (that is, on behalf of another with permission). You may type or handwrite the letters just to the left of your signature to indicate that you are signing under procuration.
Penal Code 470(a) makes it illegal to sign specific documents with someone else's name without their permission. In order to prove you guilty in California, the prosecution has to show that, You signed someone else's name.
Legal signature requirementsWriting their name.The drawing of a symbol.Use a special character.A unique handwritten manner of writing one's name.Even literally an “X”Digital signature.