Texas Utilities Code Title 5, Chapter 251, Sec. 251.107 (b) Each operator of a Class A underground facility shall provide to the notification center:
(3) at least quarterly but, if possible, as those changes occur, information relating to each change in the operator's maps or grid locations or other identifiers or in the person or persons designated as the operator's contact person or persons.
Please contact memberservices@texas811.org to keep your information current.