RCW 35.102.150
RCW 35.102.150: Allocation of income—Printing and publishing activities.
Notwithstanding RCW 35.102.130 , a city that imposes a business and occupation tax must allocate a person's gross income from the activities of printing, and of publishing newspapers, periodicals, or magazines, to the principal place in this state from which the taxpayer's business is directed or managed. As used in this section, the activities of printing, and of publishing newspapers, periodicals, or magazines are those activities to which the exemption in RCW 82.04.759 and the tax rate in RCW 82.04.280 (1)(a) apply.