Section 450.15. Appeal by defendant to intermediate appellate court; in what cases authorized by permission

If an appeal by defendant is not authorized as of  right  pursuant  to
  section  450.10, the defendant may appeal from the following orders of a
  criminal court, provided that a certificate granting leave to appeal  is
  issued pursuant to section 460.15:
    1.    An  order  denying a motion, made pursuant to section 440.10, to
  vacate a judgment other than one including a sentence of death;
    2.   An order denying a motion  by  the  defendant  made  pursuant  to
  section 440.20, to set aside a sentence other than one of death;
    3.  A  sentence which is not otherwise appealable as of right pursuant
  to subdivision one or two of section 450.10.