Section 256.90 - Narrowcast operations1. The board shall not use, permit use, or permit resale of its telecommunications narrowcast system for other than educational purposes. The board, in the establishment and operation of its telecommunications narrowcast system, shall use facilities and services of the private telecommunications industry companies to the greatest extent possible and is prohibited from constructing telecommunications facilities unless comparable facilities are not available from the private telecommunications industry at comparable quality and price.2. Notwithstanding chapter 476, the provisions of chapter 476 shall not apply to a public utility in furnishing a telecommunications service or facility to the board.