The specific notification procedures set forth in this amendatory and supplementary act shall apply to any hearing or investigatory function involving:

a. Any adjustment of public utility rates, tolls, fares or charges, or schedules thereof;

b. The proposed or actual discontinuance, curtailment or abandonment of any essential public utility service;

c. The fixing of standards for the measurement of a public utility product or service pursuant to subsection b. of R.S. 48:2-25; and

d. Public utility surcharge collections, pursuant to R.S. 48:2-29.4

L. 1985, c. 203, s. 3, eff. June 26, 1985.