(a) A person commits an offense if the person violates Section 2310.155 or 2310.156 or causes another person to violate Section 2310.155 or 2310.156.
(b) An offense under Subsection (a) is a Class B misdemeanor, unless the person has been previously convicted of an offense under this section, in which case the offense is a Class A misdemeanor.
Official text of the Texas Occupations Code as published by the Texas Legislative Council.