Notwithstanding any other law, the governing board may order that a meeting held solely for the purpose of discussion or taking action on hospital authority trade secrets, as defined in subdivision (d) of Section 3426.1 of the Civil Code, shall be held in closed session. The requirements of making a public report of actions taken in closed session and the vote or abstention of every member present may be limited to a brief general description devoid of the information constituting the trade secret.