House committee substitute makes the following changes to the 2nd edition. Deletes the content of the previous edition and replaces it with the following. Requires the Juvenile Jurisdiction Advisory Committee (Committee) to study the effects of modifying the definitions of delinquent juvenile and undisciplined juvenile to include only juveniles who are under age 16, but at least age 10 and no longer include juveniles between the ages of 6 and 10. Requires the Committee to consider (1) the number of delinquent juveniles under age 10 and the kinds of crimes and infractions the juveniles have committed, and the number of undisciplined juveniles under age 10; (2) the ways other states address juveniles under age 10 who commit crimes or infractions, are unlawfully absent from school, or are regularly disobedient; and (3) the input of interested stakeholders. Requires the Committee to report to the specified NCGA committee by March 1, 2020. Makes conforming changes to the act's titles.