If all the stockholders of an association agree in writing to an increase or reduction in its capital stock, no meeting need be called for the purpose of effecting the increase or reduction. The directors shall file such written agreement, together with the certificate required under sections 6-03-23 and 6-03-24, with the secretary of state, who thereupon shall issue the secretary of state's certificate that the provisions of this title have been complied with.
N.D.C.C. § 6-03-26