Section 869.404 - Schedule of charges and rates(a) A provider authorized under § 869.401 or § 869.402 must furnish AMS with copies of its current schedule of charges and rates for all services as they become effective.(b) Charges and rates assessed any user by the provider must be in effect for a minimum period of one year.(c) Providers must furnish AMS and all users a 60-calendar day advance notice of their intent to change any charges and rates. 67 FR 50783 , Aug. 5, 2002. Redesignated and amended at 84 FR 45645 , 45647 Aug. 30, 2019