The Oregon Health Authority hereby is directed and authorized to establish and operate treatment programs, either separately within an existing state Department of Corrections institution, as part of an existing program within an Oregon Health Authority institution, or in specified and approved sites in the community to receive, treat, study and retain in custody, as required, such sexually dangerous persons as are committed under ORS § 426.510 to 426.670. [1963 c.467 § 17; 1965 c.481 § 1; 1979 c.606 § 1; 1987 c.320 § 230; 2009 c.595 § 434]