Complete the Direct Deposit Authorization form electronically (paperless) using DocuSignâ„¢ with a digital signature. The Direct Deposit Authorization Form should be used to perform the following: Set-Up Direct Deposit Payment.To change your bank account. How do I edit the Washington Cash Assistance Direct Deposit Enrollment online? Direct Deposit Authorization Form (PDF, MS Word, Open Document Text). 1. Provide your Statewide Vendor Number and personal information. â–« To make a change to an existing account, fill out the above information, and specify the new deposit amount. To enroll in the ACH program, complete Section A of the enclosed ACH Enrollment form. Get Direct Deposit Child Form today, in addition to a catalogue of thousands of legal documents and PDF files at FormsPal. Click on New Document and choose the form importing option: add Wsecu direct deposit form from your device, the cloud, or a protected link.