Wash. Rev. Code § 11.108.060
For an estate that exceeds the amount exempt from state or federal tax by virtue of the credit under section 2010 of the Internal Revenue Code, if taking into account applicable adjusted taxable gifts as defined in section 2001(b) of the Internal Revenue Code, any marital deduction gift that is conditioned upon the transferor's spouse surviving the transferor for a period of more than six months, is governed by the following:
(2) If the property that is the subject of the marital deduction gift is passing or is to be held in trust, as opposed to passing outright, it must be held in a trust meeting the requirements of section 2056(b)(7) of the Internal Revenue Code the corpus of which must:
[ 2006 c 360 s 6; 1999 c 44 s 1; 1997 c 252 s 86; 1989 c 35 s 1; 1985 c 30 s 111. Prior: 1984 c 149 s 145.]
Clarification of laws—Enforceability of act—Severability—2006 c 360: See notes following RCW 11.108.070.
Short title—Application—Purpose—Severability—1985 c 30: See RCW 11.02.900 through 11.02.903.
Severability—Effective dates—1984 c 149: See notes following RCW 11.02.005.