JCM Part No . 960 - 000076R _ Rev . 1 © 2007, JCM - American Corporation 2 - 9 Installation/Operation World Bill Acceptor (WBA® - 1x/2x - SS & SS2) Section 2 ID - 003 Standard Interface Operational Flowchart Figure 2 - 17 depicts a typical ID - 003 Interface WBA bill acceptance flow process . Figure 2 - 17 WBA Bill Acceptor Operational Flowchart