Section 310.1. Originating a juvenile delinquency proceeding

1.  A
  proceeding to adjudicate a person a juvenile delinquent is originated by
  the filing of a petition.
    2. Only a presentment agency  may  originate  a  juvenile  delinquency
  proceeding.
    3.  If  the  appropriate agency does not originate a proceeding within
  thirty days of receipt of notice from the probation service pursuant  to
  subdivision  ten  of  section  308.1,  it  shall  notify  in writing the
  complainant of that fact.