No telegraph company shall collect for its service in transmitting messages, exclusive of date, address and signature, between any two of its offices within this State, more than the maximum rate prescribed by the Commission for the class of service specified.
Ga. Comp. R. & Regs. R. 515-5-1-.01
Ga. L. 1890-91, p. 151; 1907, pp. 72, 75; 1922, pp. 143, 144; 1975, Sec. 2, p. 406.