Sec. 551.043. TIME AND ACCESSIBILITY OF NOTICE; GENERAL RULE. (a) The notice of a meeting of a governmental body must be posted in a place readily accessible to the general public at all times for at least 72 hours before the scheduled time of the meeting, except as provided by Sections 551.044-551.046. (b) If this chapter specifically requires or allows a governmental body to post notice of a meeting on the Internet:

(1) the governmental body satisfies the requirement that the notice must be posted in a place readily accessible to the general public at all times by making a good-faith attempt to continuously post the notice on the Internet during the prescribed period;

(2) the governmental body must still comply with any duty imposed by this chapter to physically post the notice at a particular location; and

(3) if the governmental body makes a good-faith attempt to continuously post the notice on the Internet during the prescribed period, the notice physically posted at the location prescribed by this chapter must be readily accessible to the general public during normal business hours