(a) A notification center shall maintain for not less than four years a record to document:
(1) the receipt of a notice of:
(A) intent to excavate;
(B) damage to an underground facility;
(C) an emergency excavation; and
(D) an extraordinary circumstance;
(2) the information the excavator is required to provide to the notification center under this chapter;
(3) contact with operators and other notification centers; and
(4) the information the notification center provided to the excavator.
(b) A notification center may not destroy records that relate to any matter that is involved in litigation if the notification center is placed on notice that the litigation has not been finally resolved.