No company or person subject to the jurisdiction of this Commission, shall, directly or indirectly, give or furnish any free or reduced rate service in this State, except as lawfully prescribed by the Commission.
Ga. Comp. R. & Regs. R. 515-3-1-.05
Ga. L. 1878-79, p. 125, 1907, pp. 72, 75, 1922, pp. 143, 144, 1950, p. 311, 1956, pp. 104, 105, 1970, p. 104, 1972, pp. 138, 439, 615, 1973, pp. 200-220.