1. Telephones. Uniform system of accounts for telephone companies, prescribed by Interstate Commerce Commission in accordance with sec. 20 of interstate commerce act, for class A companies, effective Jan. 1, 1933, for class B companies, effective Jan. 1, 1934. Bookmark Corporate/Agency Authors: Interstate Commerce Commission Publisher: Interstate Commerce Commission Date: 1st revised issue. 1932 SuDoc number: IC 1 telp.5:933