You can retake a failed examination until you pass it. Each time you retake the test you must pay an examination fee (except for DSHS bilingual staff tests).
Wash. Admin. Code § 388-03-156
Statutory Authority: RCW 2.43.010, 74.04.025, and 74.08.090. 00-06-014, § 388-03-156, filed 2/22/00, effective 3/24/00.