No network member may vote to authorize, or attempt to influence the authorization of, any expenditure in which the member's immediate family has a fiduciary interest. For the purpose of this section "immediate family" means a spouse, parent, grandparent, adult child, brother, or sister.[ 1996 c 132 s 5.]Notes:Intent—Construction—Severability—1996 c 132: See notes following RCW 70.190.060.