Changes provisions of the crimes of mail theft and possession of stolen mail as follows: (1) One or more pieces of mail addressed to a particular mailbox constitutes a separate and distinct crime;

(2) Each separate address for a particular mailbox constitutes a separate offense; and

(3) Committing the crime of mail theft or possession of stolen mail is a gross misdemeanor, unless the person has one or more previous convictions for mail theft or possession of stolen mail, then it is a class C felony.