<Li> Collect on Delivery (C.O.D.) allows merchants to offer customers an option to pay upon delivery, up to $1000 . Includes insurance . </Li> <Li> USPS Tracking provides proof of delivery to sorting facilities, local post office and destination, but no signature is required . </Li> <Li> Insurance is shipping insurance against loss or damage for the value of the goods mailed . Amount of coverage can be specified, up to $5,000 . </Li> <Li> Registered Mail is used for highly valuable or irreplaceable items, and classified information up to the "secret" level . Registered mail is transported separately from other mail, in locked containers . Tracking is included and insurance up to $25,000 is available . </Li>

What categories does the usps not have jurisdiction over