A bank letter is an official document from your bank that provides important information about your business' official bank account. Under the Bank Information heading click the Add New Bank link.On the New Bank Details screen complete the mandatory fields (marked with an asterisk). CEPAS allows you to make secure insurance payments online to ORS without the hassle of sending in a paper check and payment coupons. IMPORTANT: When submitting a New or Change request, you MUST include a voided check or official Bank letter along with the completed form or the request. 1. Complete the ACH Supplier Payment Authorization Agreement. 2. Attach a voided check which clearly shows the bank account holder's name. Please fill out your information below. ACH Payment Authorization Form. Please sign and complete this form to authorize the Village of St. Charles to make a quarterly ACH debit from your bank.