§ 70.08 Sentence of imprisonment for persistent violent felony offender;
          criteria.
  1. Definition of persistent violent felony offender.
  (a)  A  persistent  violent  felony  offender  is  a person who stands
convicted of a violent felony offense as defined in subdivision  one  of
section  70.02  after  having  previously  been subjected to two or more
predicate violent felony convictions as  defined  in  paragraph  (b)  of
subdivision one of section 70.04.
  (b)  For  the  purpose of determining whether a person has two or more
predicate violent felony convictions, the criteria set  forth  in  para-
graph (b) of subdivision one of section 70.04 shall apply.
  2.  Authorized  sentence.  When  the  court has found, pursuant to the
provisions of the criminal procedure law, that a person is a  persistent
violent  felony offender the court must impose an indeterminate sentence
of imprisonment, the maximum term of which shall be  life  imprisonment.
The  minimum  period  of  imprisonment  under  such  sentence must be in
accordance with subdivision three of this section.
  * 3. Minimum period of imprisonment. The minimum period  of  imprison-
ment under an indeterminate life sentence for a persistent violent felo-
ny offender must be fixed by the court as follows:
  (a)  For  a class B felony, the minimum period must be at least twenty
years and must not exceed twenty-five years;
  (b) For a class C felony, the minimum period must be at least  sixteen
years and must not exceed twenty-five years;
  (c)  For  a class D felony, the minimum period must be at least twelve
years and must not exceed twenty-five years.
* NB Effective until 2005/09/30
  * 3. Minimum period of imprisonment. The minimum period  of  imprison-
ment under an indeterminate life sentence for a persistent violent felo-
ny offender must be fixed by the court as follows:
  (a)  For  a  class  B  felony, the minimum period must be at least ten
years and must not exceed twenty-five years;
  (b) For a class C felony, the minimum period must be  at  least  eight
years and must not exceed twenty-five years;
  (c)  For  a  class  D  felony, the minimum period must be at least six
years and must not exceed twenty-five years.
* NB Effective 2005/09/30

(For verification consult Official Text at Senate Gopher site.)