Wash. Rev. Code § 48.44.035
(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:
[ 1997 c 212 s 1; 1990 c 120 s 3.]