In the event that any information required by this chapter constitutes a trade secret, or if its disclosure would give advantage to competitors, or if for any other reason its disclosure is not required under the Texas Open Records Act, Article 6252-17a V.A.T.S., that information shall be identified in a coded manner (with key) such that it cannot be revealed to any person other than city personnel, provided that the applicant requests that of such information be kept confidential in accordance with § 150.506