In an offering made in reliance on the crowdfunding exemption in RCW 21.20.880, if at any time while the offering is ongoing there is a material change that would affect the accuracy of the information contained in the Washington Crowdfunding Form after the offering is declared exempt by the director, the issuer shall amend the form. In no event shall the Washington Crowdfunding Form be revised less often than every twelve months. All amendments must first be filed with the division and be declared exempt prior to their use.