Wash. Rev. Code § 36.83.050
(2) The governing body of a service district shall by resolution establish for each special assessment bond issue the amount, date, terms, conditions, denominations, maximum fixed or variable interest rate or rates, maturity or maturities, redemption rights, registration privileges, if any, covenants, and form, including registration as to principal and interest, registration as to principal only, or bearer. Registration may include, but not be limited to:
[ 1983 c 130 s 5.]