US lawFederal (United States)RegulationsTitle 42 CFR — Public HealthChapter IV — CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICESPart 426 — REVIEW OF NATIONAL COVERAGE DETERMINATIONS AND LOCAL COVERAGE DETERMINATIONSSubpart A — General Provisions426.12042 C.F.R. § 426.120Calculation of deadlines.Last amended: 2017Year: 2026Length: 31 wordsOfficial source Cite as 42 C.F.R. § 426.120 (2026)In counting days, Saturdays, Sundays, and Federal holidays are included. If a due date falls on a Saturday, Sunday, or Federal holiday, the due date is the next Federal working day.Previous42 C.F.R. § 426.110Next42 C.F.R. § 426.130