(a) General rule. The expanded HHVBP Model applies to all Medicare-certified HHAs nationwide.

(b) New HHAs. For an HHA that is certified by Medicare on or after January 1, 2019, the baseline year is the first full calendar year of services beginning after the date of Medicare certification, with the exception of HHAs certified on January 1, 2019 through December 31, 2019, for which the baseline year is calendar year (CY) 2021, and the first performance year is the first full calendar year (beginning with CY 2023) following the baseline year.