Contact your bank for a power of attorney form. Check with the sheriff's website or contact their office.Find out if they do bank levies. To make a withdrawal from your agency fund, you must submit an authorization letter to CCF. Learn how to write an effective authorization letter for bank withdrawal and ensure smooth transactions. Get tips and examples now! These can be obtained in the Probate filing room or from your local financial institution. Los Angeles County DPW. Land Development Division.