Instructions For WA-88 Receipt For Eligible Securities Accepted As Security Kansas City Commodity Office (KCCO) uses this form when acknowledging receipt of securities to be pledged on WA-83 Warehouse Operator’s Bond (For Eligible Securities) from the warehouse operator. The form is prepared in duplicate with the original document going to the warehouse operator. The warehouse operator returns the original of this document when securities are returned to the warehouse operator after use by KCCO. The receipt is prepared in duplicate by the Licensing Branch and the original sent to the warehouse operator. The warehouse operator returns the original copy to KCCO when the securities are returned to the warehouse operator. This form is provided for information purposes only.