The tax imposed by RCW
82.27.020 shall not apply to: (1) Enhanced food fish originating outside the state which enters the state as (a) frozen enhanced food fish or (b) enhanced food fish packaged for retail sales; (2) the growing, processing, or dealing with food fish or shellfish which are raised from eggs, fry, or larvae and which are under the physical control of the grower at all times until being sold or harvested; and (3) food fish, shellfish, anadromous game fish, and by-products or parts of food fish shipped from outside the state which enter the state, except as provided in RCW
82.27.010, provided the taxpayer must have documentation showing shipping origination of fish exempt under this subsection to qualify for exemption. Such documentation includes, but is not limited to fish tickets, bills of lading, invoices, or other documentation required to be kept by governmental agencies.