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An option is a service enhancement which isn’t included automatically as part of the basic service. You must select these options by checking a box or affixing an extra label or sticker. Most options are available for an additional fee.
Registered Mail provides you with proof of mailing. Liability Coverage for loss or damage is included. See Registered Mail (U.S. and International) for more information.
Literature for the Blind
You may send materials for the use of the blind from Canada for delivery to the U.S. or other International destinations by Registered Mail free of charge. See Literature for the Blind for more information.