(1) In each sale of securities in reliance on the crowdfunding exemption under RCW 21.20.880, the issuer must reasonably believe that the aggregate amount of securities sold to any investor, other than an "accredited investor" as that term is defined under the Securities Act of 1933, by one or more issuers offering or selling securities under the crowdfunding exemption during the twelve-month period preceding the date of the sale, together with the securities to be sold by the issuer to the investor, does not exceed the lesser of:

(a) Two thousand dollars or five percent of the annual income or net worth of the investor, whichever is greater, if either the annual income or the net worth of the investor is less than one hundred thousand dollars; or

(b) Ten percent of the annual income or net worth of the investor, as applicable, up to one hundred thousand dollars, if either the annual income or net worth of the investor is one hundred thousand dollars or more.

(2) For the purpose of determining the annual income of an investor under this section, the annual income of an investor shall be the investor's lowest annual net income out of the two most recently completed calendar or fiscal years, provided that the investor has a reasonable expectation of having at least that amount of net income in the current calendar or fiscal year.

(3) For the purpose of calculating the net worth of an investor under this section:

(a) The investor's primary residence shall not be included as an asset;

(b) Indebtedness that is secured by the investor's primary residence, up to the estimated fair market value of that primary residence at the time of the sale of securities, shall not be included as a liability (except that if the amount of such indebtedness outstanding at the time of the sale of securities exceeds the amount outstanding sixty days before such time, other than as a result of the acquisition of the primary residence, the amount of such excess shall be included as a liability); and

(c) Indebtedness that is secured by the investor's primary residence in excess of the estimated fair market value of the primary residence shall be included as a liability.