AUSTIN, Texas–(BUSINESS WIRE)–Fitch Ratings has assigned the following ratings with respect to bonds and notes issued by the Board of Regents of the University of North Texas System (UNTS): –$214.9 million revenue financing system (RFS) refunding and improvement bonds, series 2017A ‘AA’; –$165.0 million RFS refunding and improvement bonds, taxable series 2017B ‘AA’; –75.0 million RFS Commercial Paper Notes, Series B, consisting of a tax-exempt subseries and a taxable sub-series (extendible