(1) For purposes of this section only, "limited health care service" means dental care services, vision care services, mental health services, chemical dependency services, pharmaceutical services, podiatric care services, and such other services as may be determined by the commissioner to be limited health services, but does not include hospital, medical, surgical, emergency, or out-of-area services except as those services are provided incidentally to the limited health services set forth in this subsection.
(2) For purposes of this section only, a "limited health care service contractor" means a health care service contractor that offers one and only one limited health care service.
(3) Except as provided in subsection (4) of this section, every limited health care service contractor must have and maintain a minimum net worth of three hundred thousand dollars.
(4) A limited health care service contractor registered before July 27, 1997, that, on July 27, 1997, has a minimum net worth equal to or greater than that required by subsection (3) of this section must continue to have and maintain the minimum net worth required by subsection (3) of this section. A limited health care service contractor registered before July 27, 1997, that, on July 27, 1997, does not have the minimum net worth required by subsection (3) of this section must have and maintain a minimum net worth of:
(a) Thirty-five percent of the amount required by subsection (3) of this section by December 31, 1997;
(b) Seventy percent of the amount required by subsection (3) of this section by December 31, 1998; and
(c) One hundred percent of the amount required by subsection (3) of this section by December 31, 1999.
(5) For all limited health care service contractors that have had a certificate of registration for less than three years, their uncovered expenditures shall be either insured or guaranteed by a foreign or domestic carrier admitted in the state of Washington or by another carrier acceptable to the commissioner. All such contractors shall also deposit with the commissioner one-half of one percent of their projected premium for the next year in cash, approved surety bond, securities, or other form acceptable to the commissioner.
(6) For all limited health care service contractors that have had a certificate of registration for three years or more, their uncovered expenditures shall be assured by depositing with the insurance commissioner twenty-five percent of their last year's uncovered expenditures as reported to the commissioner and adjusted to reflect any anticipated increases or decreases during the ensuing year plus an amount for unearned prepayments; in cash, approved surety bond, securities, or other form acceptable to the commissioner. Compliance with subsection (5) of this section shall also constitute compliance with this requirement.