A person who has been granted authorization to perform specific actions on your behalf, such as submitting applications and documents, collecting correspondence, etc. The scope of the authorization depends on your personal preferences. The attorney-in-fact may act on your behalf only after submitting an original document of the power of attorney to the Office. The stamp duty for granting a power of attorney is PLN 17, but it does not apply when the attorney-in-fact is your spouse, ascendant, descendant, or sibling.