(a) A court granting community supervision to a defendant convicted of an offense under § 46.13, Penal Code, may require as a condition of community supervision that the defendant:
(1) provide an appropriate public service activity designated by the court; or
(2) attend a firearms safety course that meets or exceeds the requirements set by the National Rifle Association as of January 1, 1995, for a firearms safety course that requires not more than 17 hours of instruction.
(b) The court shall require the defendant to pay the cost of attending the firearms safety course under Subsection (a)(2).