45 CFR § 270.9
How will we redistribute funds if that becomes necessary?
April 14, 2021
(a) If we cannot distribute the funds as specified in §270.8, we will reallocate any undistributed funds among the measures listed in §270.4.
(b) If we still cannot distribute funds within the bonus year, they will remain available for distribution in the next bonus year, to the extent authorized by law.