Mailing Standards of the United States Postal Service Domestic Mail Manual > 100 Retail Mail Letters, Cards, Flats, and Parcels > 140 USPS Marketing Mail Flats Every Door DirectMail-Retail (EDDM-Retail) > 146 Enter and Deposit
1.0 Basic Options
All EDDM-Retail mailings must be entered directly at the Post Office (or DDU) responsible for the Post Office Box or carrier route delivery for which the mailing is prepared, or shipped to that Post Office under 1.2.
Place prepared EDDM-Retail mail, in bundles with facing slips, in Priority Mail boxes, including Priority Mail Flat Rate boxes.
On each box, write “Every Door Direct Mail - Retail” and “Open Immediately.” For multiple boxes, number the boxes, starting with 1 of X, (with “X” being the total number of boxes in the shipment).
Box # 1 (see 1.2.2) for the EDDM-Retail mailing must contain an envelope with the following:
Address the boxes to “Postmaster” at the Post Office that will deliver the mailpieces. To ship them, either bring the boxes to your local Post Office or use Click-N-Ship. Each box must have a USPS Tracking label affixed by the mailer.