(a) A contractor is considered available to TDA and their sponsored facilities, if applicable, if one of the following conditions exists:(1) the contractor's representative can be contacted in person at the primary business location during normal business hours;(2) the contractor's representative can be contacted by telephone during normal business hours; or(3) the contractor has established a procedure that allows TDA staff and the contractor's facilities to leave a voice message and the contractor returns the call no later than 24 hours from the time the voice message was left.(b) An appropriate representative of the contractor must be available to meet with TDA staff at the contractor's primary business location with no more than 4 hours notice during normal business hours, which are at a minimum 8:00 a.m. to 5:00 p.m. Monday through Friday.