Requires each general authority Washington law enforcement agency to, within one year of the effective date of this act, enter into an agreement with the attorney general of the United States under 8 U.S.C. Sec. 1357(g) that allows officers employed by the agency to perform the function of an immigration officer in relation to the investigation, apprehension, or detention of aliens in the United States who: (1) Have been classified as a risk level III sex offender;

(2) Have been convicted of a sex offense against a minor victim; or

(3) Have been convicted of failure to register as a sex offender.