The following factors, among others, are significant in evaluating the reasonableness of a recipient's reliance upon a certificate and upon the digital signatures verifiable with reference to the public key listed in the certificate:
(1) Facts which the relying party knows or of which the relying party has notice, including all facts listed in the certificate or incorporated in it by reference;
(2) The value or importance of the digitally signed message, if known;
(3) The course of dealing between the relying person and subscriber and the available indicia of reliability or unreliability apart from the digital signature; and
(4) Usage of trade, particularly trade conducted by trustworthy systems or other computer-based means.
[1997 c 27 § 18.]
Notes: Effective date -- Severability -- 1997 c 27: See notes following RCW 19.34.030.