Tex. Transportation Code § 504.155: DIGITAL LICENSE PLATES REQUIREMENTS AND PERMISSIVE FUNCTIONALITY.

(a) The board by rule shall set the specifications and requirements for digital license plates, including requirements for the placement of digital license plates. The design of and information displayed on a digital license plate must be approved by the department.

(b) A digital license plate issued under this subchapter must:

(1) meet the specifications and requirements adopted under Subsection (a);

(2) include the information required to be included on a physical license plate and legibly display that information at all times and in all light conditions, provided that the license plate may display the information in a smaller typeface when the vehicle is parked;

(3) have wireless connectivity capability; and

(4) provide benefits to law enforcement that meet or exceed the benefits provided by physical license plates as of the time of enactment of this subchapter and as determined by the Department of Public Safety.

(c) In adopting rules under Subsection (a), the board shall consult with the Department of Public Safety. Except as otherwise provided by this subsection and Section 2001.036, Government Code, a rule adopted under Subsection (a) takes effect on the 31st day after the date on which the rule is filed in the office of the secretary of state. A rule adopted under Subsection (a) does not take effect if, not later than the 30th day after the date on which the rule is filed in the office of the secretary of state, the public safety director of the Department of Public Safety submits to the office of the secretary of state written notification invalidating the rule.

(d) A rule adopted under this subchapter may:

(1) authorize the use of a digital license plate for electronic toll collection or to display a parking permit; or

(2) establish procedures for displaying on a digital license plate:

(A) an emergency alert or other public safety alert issued by a governmental entity, including an alert authorized under Subchapter L, M, or P, Chapter 411, Government Code;

(B) vehicle manufacturer safety recall notices;

(C) static logo displays, including unique displays for fleet vehicles; or

(D) advertising approved by the department.

Added by Acts 2019, 86th Leg., R.S., Ch. 594 (S.B. 604), Sec. 3.01, eff. September 1, 2019.