Wis. Stat. § 939.01 : CRIMINAL CODE — CRIMES - GENERAL PROVISIONS — PRELIMINARY PROVISIONS — Name and interpretation TEXT PDF Chapters 939 to 951 may be referred to as the criminal code but shall not be interpreted as a unit. Crimes committed prior to July 1, 1956, are not affected by chs. 939 to 951. Wis. Stat. § 939.01 1979 c. 89; 1987 a. 332 s. 64.