Sec. 41.1  Definition of terms as used in this part.

    As used in this part:
    (a) The term frank means any authority which authorizes free, or 
partially free, service.
    (b) The term families means the wives, husbands, minor children, and 
other dependents of the officers, employees, or agents permitted to 
receive and use franks, but no other person.
    (c) The terms officer, agent, and employee include furloughed, 
pensioned, and superannuated officers, agents, and employees.

                      General Application of Rules