(1)(a) For the purposes of this chapter, except for RCW 9.94.010, the term "correctional institution" means any place designated by law for the keeping of persons held in custody under process of law, or under lawful arrest, including state prisons, county and local jails, juvenile detention centers, and other facilities operated by the department of corrections, department of children, youth, and families, or local governmental units primarily for the purposes of punishment, correction, or rehabilitation following conviction or adjudication of a criminal offense.
(b) For the purposes of RCW 9.94.010, the term "correctional institution" means any place designated by law primarily for the keeping of persons age 18 or older held in custody under process of law, or under lawful arrest, including state prisons, county and local adult jails, and other facilities operated by the department of corrections, or local governmental units primarily for the purposes of punishment, correction, or rehabilitation following conviction or adjudication of a criminal offense. For the purposes of RCW 9.94.010, the term "correctional institution" does not include facilities operated by the department of children, youth, and families or county juvenile detention facilities.
(2) For the purposes of RCW 9.94.043 and 9.94.045, "state correctional institution" means all state correctional facilities under the supervision of the secretary of the department of corrections used solely for the purpose of confinement of convicted felons.