Specifications include, but are not limited to: Program designs should reflect youth development principles helping young people achieve their full potential. Effective programs would offer services which are personalized, youth-driven and focus on developing individual strengths and interests of each youth. Programs must also promote positive relationships and connections for youth participants, and provide the support and follow-up services needed to address the range of challenges participants confront. Finally, programs that cross systems and/or county lines to promote the foundational principle of delivering the “right service at the right time” are encouraged. The target population for BFI programs is youth between the ages of 12 and 21; however, programs may select a sub-set of that age range. For programs targeting youth violence or delinquency, and/or adolescent self-sufficiency, youth may be involved with, or at risk of entering, the child welfare or youth justice system; programming must be evidence-based or evidence-informed. For programs targeting substance use prevention, efforts must be aimed at positively influencing youth before the at-risk behavior begins. Programming for substance use prevention must be evidence-based, utilizing a curriculum identified in Section 6 Substance Abuse Prevention Treatment Block Grant (SABG) Activities. Priority will be given to programs targeting opioid and/or methamphetamine prevention and utilize data to demonstrate the need for prevention services in the county/region. All programs and practices should be responsive to families' cultural backgrounds, community values, and individual preferences.