It is the purpose of this article to enable any city, county or combination thereof to develop, establish, and maintain a local community-based probation services agency to provide the judicial system with sentencing alternatives for certain misdemeanants or persons convicted of felonies that are not felony acts of violence, as defined in § 19.2-297.1 and sentenced pursuant to § 19.2-303.3, for whom the court imposes a sentence of 12 months or less and who may require less than institutional custody. The article shall be interpreted and construed so as to:

1. Allow individual cities, counties, or combinations thereof greater flexibility and involvement in responding to the problem of crime in their communities;