USPS Homepage
1 International Mail Services

1 International Mail Services

110 General Information

111 Scope

112 Mailer Responsibility

113 Individual Country Listings

114 Availability

115 Official Correspondence

115.1 Communicating With Headquarters

115.2 Correspondence With Foreign Postal Authorities

115.3 Correspondence With Foreign Individuals

116 Trademarks of the USPS

116.1 USPS Trademarks in the IMM

116.2 Common Law Marks or USPS Marks with Pending Trademark Applications in the IMM

120 Preparation for Mailing

121 General Information for Mail Preparation

121.1 Packaging — Sender’s Responsibility

121.2 Use of Postal Service Equipment

122 Addressing

122.1 Destination Address

122.2 Return Address

123 Customs Forms and Online Shipping Labels

123.1 USPS-Produced Customs Declaration Forms

123.2 Availability

123.3 Privately Printed Forms

123.4 Nonpostal Forms

123.5 Place of Mailing

123.6 Required Usage

123.7 Completing Customs Forms

130 Mailability

131 General

131.1 Domestic Limits

131.2 International Limits

131.3 Individual Country Prohibitions and Restrictions

131.4 Mailer Responsibility

131.5 Preparation for Mailing

132 Written, Printed, and Graphic Matter

132.1 Domestic Limits

132.2 Reply Cards and Envelopes

133 Improperly Addressed Mail

134 Valuable Articles

134.1 Service Options

134.2 List of Articles

134.3 Export of Rough Diamonds

134.4 Prohibitions

135 Mailable Dangerous Goods

135.1 Infectious Substances

135.2 Authorization

135.3 Packaging, Marking, Labeling

135.4 Handling and Dispatch of Infectious Substances

135.5 Radioactive Materials

135.6 Batteries

136 Nonmailable Goods

136.1 Dangerous Goods

136.2 Inert Replica and Explosive Devices

136.3 Counterfeit and Pirated Items

136.4 Cigarettes and Smokeless Tobacco

137 Firearms, Knives, and Sharp Instruments

138 Perishable Matter

138.1 Animals

138.2 Plants

138.3 Eggs

138.4 Food and Other Perishable Articles

139 Cremated Remains

139.1 Eligibility

139.2 Packaging

139.3 Markings

140 International Mail Categories

141 Definitions

141.1 General

141.2 Global Express Guaranteed

141.3 Priority Mail Express International

141.4 Priority Mail International

141.5 First-Class Mail International

141.6 First-Class Package International Service

142 Official Mail

142.1 Mailings by Federal Agencies

142.2 Postal Service Mailings

142.3 Mail of a Former President and Surviving Spouse of a Former President

142.4 General Secretariat of the Organization of American States (OAS)

142.5 Pan American Sanitary Bureau Mail

150 Postage

151 Postage Prices

152 Payment Methods

152.1 Prepayment

152.2 Computing Postage

152.3 Stamps

152.4 Postage Meters, Postage Validation Imprints (PVI), Forever Print-on-Demand Indicia, and PC Postage

152.5 Additional Standards for Forever Print-on-Demand Indicia Labels

152.6 Permit Imprint

153 Placement of Postage

154 Remailed Items