(a) In this section, “corporal punishment” means the deliberate infliction of physical pain by hitting, paddling, spanking, slapping, or any other physical force used as a means of discipline. The term does not include:

(1) physical pain caused by reasonable physical activities associated with athletic training, competition, or physical education; or

(2) the use of restraint as authorized under Section the use of restraint as authorized under Section 37.0021 (Use of Confinement, Restraint, Seclusion, and Time-out)

(b) If the board of trustees of an independent school district adopts a policy under Section If the board of trustees of an independent school district adopts a policy under Section 37.001 (Student Code of Conduct) (a)(8) under which corporal punishment is permitted as a method of student discipline, a district educator may use corporal punishment to discipline a student unless the student’s parent or guardian or other person having lawful control over the student has previously provided a written, signed statement prohibiting the use of corporal punishment as a method of student discipline.

(c) To prohibit the use of corporal punishment as a method of student discipline, each school year a student’s parent or guardian or other person having lawful control over the student must provide a separate written, signed statement to the board of trustees of the school district in the manner established by the board.

(d) The student’s parent or guardian or other person having lawful control over the student may revoke the statement provided to the board of trustees under Subsection (c) at any time during the school year by submitting a written, signed revocation to the board in the manner established by the board.