Wash. Admin. Code § 246-105-090
(1) The department shall develop and distribute implementation guidelines for schools and child care centers that:
(2) The department may develop school implementation guidelines that waive or modify immunization requirements when a phasing-in period is warranted for a new immunization mandate, when there is limited availability of a required immunizing agent, or when new information about the safety or efficacy of an immunizing agent prompts a reevaluation of an existing vaccination requirement. Any waiver or modification must:
[Statutory Authority: RCW 28A.210.140, 28A.210.080, and 28A.210.100. WSR 19-21-161, § 246-105-090, filed 10/22/19, effective 8/1/20. Statutory Authority: RCW 28A.210.140. WSR 09-02-003, § 246-105-090, filed 12/26/08, effective 1/26/09.]