(a) Except as provided by Subsection (b), a change in or a modification of a written report of a motor vehicle collision prepared by a peace officer that alters a material fact in the report may be made only by the peace officer who prepared the report.
(b) A change in or a modification of the written report of the collision may be made by a person other than the peace officer if:
(1) the change is made by a written supplement to the report; and
(2) the written supplement clearly indicates the name of the person who originated the change.
Official text of the Texas Transportation Code as published by the Texas Legislative Council.