Pub. Util. Code, § 529

Nothing in this part shall prevent any of the following:

(a) The issue of reduced rate transportation by a common carrier to children attending an institution of learning.

(b) The issue of passes or franks by telegraph or telephone corporations to their officers, agents, employees, attorneys, physicians and surgeons, and members of their families, or the exchange of passes or franks between the telegraph and telephone corporations or between the corporations and the common carriers, for their officers, agents, employees, attorneys, physicians and surgeons, and members of their families.

(c) The carrying out of contracts for free or reduced rate passenger transportation previously made, founded upon adequate consideration and lawful when made.

(d) A common carrier from transporting, storing, or handling, free or at reduced rates, the household goods and personal effects of its employees, of persons entering or leaving its service, and of persons killed or dying while in its service.

(e) A common carrier from providing reduced rate transportation to elderly and handicapped persons when required pursuant to an application for federal funds under the Urban Mass Transportation Act of 1964 (49 U.S.C. Sec. 1601 et seq.).