(1) Notwithstanding the provisions of RCW 26.26A.420, venue for a proceeding under this subchapter, RCW 26.26A.700 through 26.26A.785, may be in a county of this state in which:

(a) The child resides or is located;

(b) The respondent resides or is located;

(c) An intended parent resides;

(d) A medical evaluation or procedure or mental health consultation under the surrogacy agreement occurred; or

(e) A proceeding has been commenced for administration of the estate of an individual who is or may be a parent under this subchapter.

(2) During the period after the execution of a surrogacy agreement until ninety days after the birth of a child conceived by assisted reproduction under the agreement, a court of this state conducting a proceeding under this chapter has exclusive, continuing jurisdiction over all matters arising out of the agreement. This section does not give the court jurisdiction over a child custody or child support proceeding if jurisdiction is not otherwise authorized by law of this state other than this chapter.