Pieces are eligible if not required to be mailed at First-Class rates or not eligible for Periodicals rates. See reverse for tray label Line 2 information.
Additional standards apply to mailings of nonidentical-weight pieces.
For Line 1, use L801 for destination facility. This guide is an overview only. For the specific DMM standards applicable to this category of mail, consult the DMM sections referenced above and the general sections within each DMM module.