The authority shall collaborate with the department, the Washington state association of counties, the Washington association of sheriffs and police chiefs, and accountable communities of health to improve population health and reduce avoidable use of intensive services and settings by requesting expenditure authority from the federal government to provide behavioral health services to persons who are incarcerated in local jails. The authority in consultation with its partners may narrow its submission to discrete programs or regions of the state as deemed advisable to effectively demonstrate the potential to achieve savings by integrating medical assistance across community and correctional settings.