Any person who knowingly causes, aids, abets, or conspires with another to cause any person to violate any provision of this chapter shall be guilty of a class B felony subject to the penalty in RCW 9A.20.021.[ 1991 c 261 s 5; 1977 ex.s. c 326 s 8; 1973 1st ex.s. c 218 s 18.]