Sec. 432.122.  PRINCIPALS.  A person subject to this chapter is a principal if the person:
(1)  commits an offense punishable under this chapter, or aids, abets, counsels, commands, or procures its commission;  or
(2)  causes an act to be done that if directly performed by the person would be punishable under this chapter.
Acts 1987, 70th Leg., ch. 147, Sec. 1, eff. Sept. 1, 1987.