10,588 rulemaking notices, proposed, emergency, and final filings as they cross the Washington State Register.
Permanent Rules — Department of Health (washington Medical Commission) (WSR 26-11-022)
May 13, 2026
Effective Date of Rule: Thirty-one days after filing. Purpose: Office-based surgery rules for allopathic physicians; use of nitrous oxide. The Washington medical commission (commission) adopted amendments to WAC 246-919-601 and adopted new WAC 246-919-603 to establish the use of nitrous oxide in office-based settings. The commission adopted these rules to address a gap in existing regulations and to ensure consistent safety standards for the use of nitrous oxide in office-based settings. Previou
Permanent Rules — Department of Transportation (WSR 26-11-018)
May 13, 2026
Effective Date of Rule: Thirty-one days after filing. Purpose: This revision rewrites WAC 468-06-140 to reflect the requirements in RCW 42.56.070 (5) for state agencies to establish a system of indexing for certain records. The Washington state department of transportation anticipates that it will help to keep members of the public informed. This revision establishes rules for the index. It provides a web address for the index, describes the index's content and form, and establishes a schedule f
Permanent Rules — Department of Social and Health Services (economic Services Administration) (WSR 26-11-010)
May 11, 2026
Effective Date of Rule: July 1, 2026. Purpose: The department of social and health services (department) is amending WAC 388-478-0055 How much do I get from my state supplemental payments (SSP)? Federal law (20 C.F.R. §§ 416.2095 through 416.2099) requires the department to maintain a minimum threshold of state spending towards supplemental security income SSP benefits each calendar year to continue to draw down federal medicaid funds. The department may propose modifying rules to stay within av