If a food bears or contains any artificial flavoring, artificial coloring, or chemical preservative, it shall be deemed to be misbranded unless it bears labeling stating that fact: PROVIDED, That to the extent that compliance with the requirements of this section is impracticable, exemptions shall be established by regulations promulgated by the director. The provisions of this section and of RCW 69.04.280 and 69.04.310, with respect to artificial coloring, shall not apply in the case of butter, cheese, or ice cream.
[1945 c 257 § 51; Rem. Supp. 1945 § 6163-100.]