(A)   A sentence of imprisonment for a felony shall be an indeterminate sentence, the maximum of which shall be fixed within the limits provided by division (B) below, and subject to modification by the trial judge pursuant to KRS 532.070.
   (B)   The authorized maximum terms of imprisonment for felonies are:
      (1)   For a Class A felony, not less than twenty (20) years nor more than fifty (50) years, or life imprisonment;
      (2)   for a Class B felony, not less than ten (10) years nor more than twenty (20) years;
      (3)   For a Class C felony, not less than five (5) years nor more than ten (10) years; and
      (4)   For a Class D felony, not less than one (1) year nor more than five (5) years.
   (C)   The actual time of release within the maximum established by division (A) above, or as modified pursuant to KRS 532.070, shall be determined under procedures established elsewhere by law.
(KRS 532.060)