(a) Classification.--An offense that is not specifically classified by a letter grade in the section defining it, is classified if the maximum term of imprisonment authorized is--
(1) life imprisonment, or if the maximum penalty is death, as a Class A felony;\
(2) twenty-five years or more, as a Class B felony;
(3) less than twenty-five years but ten or more years, as a Class C felony;
(4) less than ten years but five or more years, as a Class D felony;
(5) less than five years but more than one year, as a Class E felony;
