20 CFR §416.2216

1. (a)A claim for payment for VR services based on the completion of a continuous 9-month period of SGA must be filed within 12 months after the month in which the continuous 9-month period of SGA is completed.
2. (b)A claim for payment for VR services provided to an individual whose disability or blindness benefits were continued after disability or blindness has ceased because of that individual's continued participation in a VR program must be filed as follows:
   1. (1)If a written notice requesting that a claim be filed was sent to the State VR agency, a claim must be filed within 90 days following the month in which VR services end, or if later, within 90 days after receipt of the notice.
   2. (2)If no written notice was sent to the State VR agency, a claim must be filed within 12 months after the month in which VR services end.