Please indicate if you are filling out this form as: Authorized Agent. Fiduciary. This collateral agreement template is what you need to secure an item of value as collateral for monetary debt.Complete list of Texas Comptroller Property Tax Forms and Applications click here. Texas Comptroller Property Tax Publications click here. Online filing and searching available through SOSDirect. For information or to subscribe, call (512) 475-2703. Mitchell Bail Bond Services No.2 offers San Antonio bail bonds to reunite families in their time of need. Learn more about how we can help you, today.