RCW 46.72.130: Nonresident taxicabs—Permit—Fee—Compliance.

No operator of a taxicab licensed or possessing a permit in another state to transport passengers for hire, and principally engaged as a for hire operator in another state, shall cause the operation of a taxicab upon any highway of this state without first obtaining an annual permit from the director upon an application accompanied with an annual fee for each taxicab. The issuance of a permit shall be further conditioned upon compliance with this chapter.