SAN FRANCISCO--(BUSINESS WIRE)--Fitch Ratings has withdrawn the 'AA-' implied unlimited tax general obligation (ULTGO) bond rating on Rohnert Park, CA as Fitch no longer considers the rating to be analytically meaningful. Fitch previously assigned the implied ULTGO rating in conjunction with the Rohnert Park, CA series 1999 certificates of participation that are no longer outstanding. Additional information is available at 'www.fitchratings.com'. Applicable Criteria Tax-Supported Rating Criteri