Any documentary material, data or other writing made or received by the West Virginia Tourism Office, the West Virginia Development Office or the Tourism Commission, for the purpose of furnishing assistance to a new or existing business are exempt from the provisions of article one, chapter twenty-nine-b of this code: Provided, That any agreement entered into or signed by the West Virginia Tourism Office or the West Virginia Development Office which obligates public funds is subject to inspection and copying pursuant to the provisions of that article as of the date the agreement is entered into, signed or otherwise made public.