Wash. Rev. Code § 48.87.050
A licensee may apply to the association to purchase midwifery and birth center malpractice insurance and the association shall offer a policy with liability limits of one million dollars per claim and three million dollars per annual aggregate, or such other minimum level of mandated coverage as determined by the department of health. The insurance commissioner shall require the use of a rating plan for midwifery malpractice insurance that permits rates to be modified according to practice volume. Any rating plan for midwifery malpractice insurance used under this section must be based on sound actuarial principles. Coverage may not exclude midwives who engage in home birth or birth center deliveries.
RCW 48.87.050
Effective date-1994 c 90: "This act is necessary for the immediate preservation of the public peace, health, or safety, or support of the state government and its existing public institutions, and shall take effect immediately [March 23, 1994]." [ 1994 c 90 s 2.]