WAC 314-24-080
WAC 314-24-080. Containers—Sizes and types permitted
(1) All wine sold for consumption in the state shall be sold in packages or container sizes approved by the TTB for marketing within the United States. A copy of the federal certificate of label approval must be submitted with each such request for authorization.
(2) No domestic winery or wine distributor, or wine importer shall adopt or use any packages for wine differing in sizes and case capacities from: Manufacturer's original full cases. The board may, in its discretion, authorize other container and/or keg size packages it deems appropriate.
(3) Wine referred to in subsections (1) and (2) of this regulation may also be packaged and sold in metric standards of fill and in case sizes as are established in 27 Code of Federal Regulations. Wine may be bottled or packed in containers of four liters or larger if the containers are filled and labeled in quantities of even liters.
(4) Wine imported from foreign countries may be packaged and container sizes approved by the TTB for marketing within the United States. A copy of the federal certificate of label approval must be submitted with each such request for authorization.
(5) For taxing purposes and in all reports to the board, the approved enumerated designations of package sizes, and no others, shall be used.