Affix Tag 191 to the Mail Container as Follows:

• Strapped Letter Trays: Using a plastic twist tie, attach Tag 191 to the strap at the end of the tray that bears the tray label.
• Non-strapped Letter Trays: For trays permitted to be tendered without strapping, attach Tag 191 to the tray with a rubber band that is double-looped through the tray handhold at the end that bears the tray label.
• Sacks and Flat Trays with Flat-Size Mail: Depending on the type of sack, attach Tag 191 to either the strap or label holder on the sack.

Availability:

Tags are available at your local Post Office^™ or your Business Mail Entry Unit, which can be found at https://postalpro.usps.com/node/1623. The tags can also be ordered online at https://about.usps.com/forms/ps1910.pdf.

Tag 191 is used to identify your outgoing Ballot Mail only. Tags are available at your local Post Office^™ or can be ordered online at https://about.usps.com/gov-services/election-mail/.