1. Felonies.

1. (a) The particular classification or subclassification of each felony defined in this chapter is expressly designated in the section or article defining it.
2. (b) Any offense defined outside this chapter which is declared by law to be a felony without specification of the classification thereof, or for which a law outside this chapter provides a sentence to a term of imprisonment in excess of one year, shall be deemed a class E felony.

2. Misdemeanors.

1. (a) Each misdemeanor defined in this chapter is either a class A misdemeanor or a class B misdemeanor, as expressly designated in the section or article defining it.
2. (b) Any offense defined outside this chapter which is declared by law to be a misdemeanor without specification of the classification thereof or of the sentence therefor shall be deemed a class A misdemeanor.
3. (c) Except as provided in paragraph (b) of subdivision three, where an offense is defined outside this chapter and a sentence to a term of imprisonment in excess of fifteen days but not in excess of one year is provided in the law or ordinance defining it, such offense shall be deemed an unclassified misdemeanor.

3. Violations. Every violation defined in this chapter is expressly designated as such. Any offense defined outside this chapter which is not expressly designated a violation shall be deemed a violation if:

1. (a) Notwithstanding any other designation specified in the law or ordinance defining it, a sentence to a term of imprisonment which is not in excess of fifteen days is provided therein, or the only sentence provided therein is a fine; or
2. (b) A sentence to a term of imprisonment in excess of fifteen days is provided for such offense in a law or ordinance enacted prior to the effective date of this chapter but the offense was not a crime prior to that date.