Notwithstanding any provision of sections 32-450 to 32-457, inclusive, (1) no business seeking economic development financial assistance for a threshold project shall be required to disclose confidential or proprietary information or trade secrets to a municipality, the employees of the business or any other person, except to the extent required by the awarding authority as a condition of receipt of such assistance, (2) no awarding authority shall be required to disclose confidential or proprietary information or trade secrets and (3) no such business or awarding authority shall be required to disclose the existence of a request for financial assistance if the existence of such a request is itself confidential or proprietary information or a trade secret.