WAC 308-22-040
WAC 308-22-040. Issuance of licenses—Requirements
Upon completion of an application and payment of the proper fee, the director shall issue the appropriate license to any person who:
(1) Is at least eighteen years old or older. Minors are prohibited from working in tattoo studios or any occupation where there is a risk of exposure to fluids or transmission of infectious agents. WAC 296-125-030 .
(2) Provides proof of bloodborne pathogen certification. All bloodborne pathogen training courses must comply with OSHA 29 C.F.R. 1910.1030 standards.
(3) No artist may apply a tattoo to any minor under the age of eighteen. RCW 26.28.085 .