Police officer’ includes a member of the Oregon State Police, a sheriff, a deputy sheriff, a city police officer, an authorized tribal police officer as defined in ORS § 181A.940, a police officer commissioned by a university under ORS § 352.121 or 353.125, a Port of Portland peace officer, a reserve officer as defined in ORS § 133.005 or a law enforcement officer employed by a service district established under ORS § 451.410 to 451.610 for the purpose of law enforcement services. [1983 c.338 § 71; 2007 c.558 § 1; 2009 c.299 § 4; 2011 c.506 § 47; 2011 c.641 § 3; 2011 c.644 32,55; 2013 c.180 52,53; 2015 c.174 § 23]