Which of the following is NOT one of the three Amtrak issued ticket documents?

The choice of Electronic Voucher Ticket as the option that is not one of the three Amtrak-issued ticket documents is correct. Amtrak's ticketing system primarily includes the Automated Paper Value-Bearing Ticket, the Amtrak Value-Bearing Book Ticket, and the eTicket travel document.

The Automated Paper Value-Bearing Ticket is a traditional paper ticket with a unique value and can be used for travel. The Amtrak Value-Bearing Book Ticket is a booklet of tickets often used for multiple trips. The eTicket travel document represents a more modern approach, allowing passengers to have their tickets stored electronically, providing convenience and easier access.

In contrast, the Electronic Voucher Ticket does not fit within the defined categories of Amtrak's core ticketing instruments. While vouchers can be used for various purposes such as refunds or promotions, they do not represent a ticket for travel in the same way that the other three forms do. Understanding the distinctions between these documents is essential for grasping Amtrak's ticketing policies and practices.