No contribution shall be made and no expenditure shall be incurred, directly or indirectly, in a fictitious name, anonymously, or by one person through an agent, relative, or other person in such a manner as to conceal the identity of the source of the contribution or in any other manner so as to effect concealment.
[1975 1st ex.s. c 294 § 8; 1973 c 1 § 12 (Initiative Measure No. 276, approved November 7, 1972). Formerly RCW 42.17.120