100
Retail Mail Letters, Cards, Flats, and Parcels
Design Standards
101 Physical Standards
102 Elements on the Face of a Mailpiece
110 Express Mail
113 Prices and Eligibility
114 Postage Payment Methods
115 Mail Preparation
116 Deposit
120 Priority Mail
123 Prices and Eligibility
124 Postage Payment Methods
125 Mail Preparation
126 Deposit
130 First-Class Mail
133 Prices and Eligibility
134 Postage Payment Methods
135 Mail Preparation
136 Deposit
150 Parcel Post
153 Prices and Eligibility
154 Postage Payment Methods
155 Mail Preparation
156 Deposit
170 Media Mail
173 Prices and Eligibility
174 Postage Payment Methods
175 Mail Preparation
176 Deposit
180 Library Mail
183 Prices and Eligibility
184 Postage Payment Methods
185 Mail Preparation
186 Deposit