Miss. Code Ann. § 33-1-37: Miss. Code Ann. § 33-1-37

All offenses committed and all penalties, forfeitures, fines or liabilities incurred prior to June 1, 1966 under any law embraced in or modified, changed, or repealed by the act enacting this chapter and Chapters 3, 5, 7, 9 and 11 of this title may be prosecuted, punished and enforced, and action thereon may be completed, in the same manner and with the same effect as may have been properly done under such prior law.