RCW 12.08.050
Denial of knowledge or information—Effect.
A statement in an answer or reply, that the party has not sufficient knowledge or information, in respect to a particular allegation in the previous pleadings of the adverse party to form a belief, shall be deemed equivalent to a denial.
[Code 1881 § 1760; 1873 p 345 § 59; 1854 p 231 § 47; RRS § 1782.]