CFR > Title 42 - Public Health > CHAPTER IV—CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER G—STANDARDS AND CERTIFICATION (parts 482 to 498) > PART 489—PROVIDER AGREEMENTS AND SUPPLIER APPROVAL > SUBPART I—Advance Directives (§489.100 to §489.104) > 489.104—Effective dates.