US lawWashingtonRegulationsTitle 246 — HEALTH, DEPARTMENT OFChapter 246-240 — RADIATION PROTECTION—MEDICAL USE OF RADIOACTIVE MATERIAL246-240-557WAC 246-240-557WAC 246-240-557. Records of written directivesLast amended: 2006Year: 2026Length: 18 wordsOfficial source A licensee shall retain a copy of each written directive as required by WAC 246-240-060 for three years.PreviousWAC 246-240-554NextWAC 246-240-560