Arizona Proof Of Claim, Supplement 1, is a form used by creditors to file a claim against a debtor in a bankruptcy case in the state of Arizona. This form allows creditors to provide details about the claim, such as the amount owed, the date the debt was incurred, and the basis for the claim. There are two types of Arizona Proof Of Claim, Supplement 1: one for unsecured creditors and one for secured creditors. Unsecured creditors must fill out the form and provide information about the debt, including the amount owed, the name and address of the debtor, and whether the debt is contingent or liquidated. Secured creditors must provide a description of the security held, the market value of the security, the amount of the secured debt, the debt's priority, and the creditor's contact information.