Municipal corporations and political subdivisions โ€” Certificates need not be sworn โ€” Penalty for false claim.

The certificates required by RCW 42.24.080 through 42.24.110 need not be sworn, but any person certifying a claim or making a claim knowing the same to be false or untrue shall be guilty of perjury in the second degree.

[1965 c 116 ยง 3.]