RCW 9.92.100
Prevention of procreation.
Whenever any person shall be adjudged guilty of carnal abuse of a female person under the age of ten years, or of rape, or shall be adjudged to be an habitual criminal, the court may, in addition to such other punishment or confinement as may be imposed, direct an operation to be performed upon such person, for the prevention of procreation.
[ 1909 c 249 § 35; RRS § 2287.]