Wash. Admin. Code § 246-822-125
An applicant may obtain certification as a nutritionist by endorsement if the applicant meets the requirements in either subsection (1) or (2) of this section.
(1) The applicant is currently credentialed in another United States jurisdiction with substantially equivalent standards and has been credentialed for at least two years immediately preceding their application with no interruption in credentialing lasting longer than 90 days and meets all other requirements of RCW 18.130.077(3). The applicant shall submit to the department:
(2) The applicant holds the national certification with the board for certification of nutrition specialists and meets the requirements of RCW 18.130.077(3). The applicant shall submit to the department:
[Statutory Authority: RCW 18.138.070 and 18.130.077. WSR 25-20-011, s 246-822-125, filed 9/19/25, effective 10/20/25.]