Which personnel are responsible for determining mail classification rates?

The Military Postal Office (MPO) is responsible for determining mail classification rates. This office specializes in managing postal services for military personnel, which includes establishing the correct classifications and associated rates for different types of mail. This involves assessing factors such as the destination of the mail, its weight, size, and the nature of the contents.

The responsibilities of the MPO are critical, especially given the unique logistical challenges of military mail, ensuring that it is handled efficiently and delivered correctly. The MPO's expertise in postal regulations and practices allows it to apply the correct classification rates, which may differ from civilian standards due to the specific needs of military operations and personnel.

Other organizations like the Mail Control Activity, Official Mail Center, and Activity Distribution Office have distinct roles that do not specifically include determining mail classification rates. For example, the MCA focuses on managing mail operations within a particular command, while the OMC deals with official government mail and its processing. The ADO generally handles the distribution and management of mail within an activity, but does not set the classification rates itself. This specialization of functions clarifies why the MPO is the authority on mail classification rates in the military context.