(1) Shares issued by a social purpose corporation may but need not be represented by certificates.
(2) If shares are represented by certificates, in addition to the information required on certificates by RCW 23B.06.250 (2) and (3), each share certificate must state on its face the following language in a conspicuous manner:
"This entity is a social purpose corporation organized under Title 23B RCW of the Washington business corporation act. The articles of incorporation of this corporation state one or more social purposes of this corporation. The corporation will furnish the shareholder this information without charge on request in writing."