In every case of a hearing before the Commissioner authorized under this Article, the Commissioner shall give reasonable notice of each such hearing to all interested parties, and the Commissioner's decision shall be binding on the parties, subject to the rights of judicial review and appeal as provided in Chapter 150B of the General Statutes. The costs of such hearings shall be assessed by the Commissioner. (1973, c. 88, s. 3; c. 1331, s. 3; 1987, c. 827, s. 1.)