A Registered Mail™ (U.S. and International) item is unacceptable if:

• It’s used to send non-document items
• It contains items prohibited by law or defined as dangerous goods in Canada or the destination country
• It’s used to send surface mail

You can’t combine any of these services with Registered Mail (U.S. and International):

• Xpresspost™ – International
• Expedited Parcel™ – USA
• Tracked Packet™ – USA
• Tracked Packet™ – International
• International Parcel – Air
• International Parcel – Surface
• International Incentive Letter-post™
• Small Packet™ – USA (Air)
• Small Packet™ – International (Air)
• Small Packet™ – International (Surface)