An Affidavit is a sworn, written statement of facts, signed by the 'affiant' (the person making the statement) before a notary public or other official witness. The affiant swears to the truth and accuracy of the statement contained in the affidavit.This Waiver and Release of Lien Upon Final Payment form is for use by an individual lienor to waive and release his or her lien and right to claim a lien for labor, services or materials furnished through a specific date to a customer on the job of the owner of the proper.