In the case of any eligible veteran who has been prevented, as determined by the Secretary, from completing a program of education under this chapter within the period prescribed by subsection (a), because the veteran had not met the nature of discharge requirements of this chapter before a change, correction, or modification of a discharge or dismissal made pursuant to
section 1553 of title 10, the correction of the military records of the proper service department under
section 1552 of title 10, or other corrective action by competent authority, then the 10-year delimiting period shall run from the date the veteran’s discharge or dismissal was changed, corrected, or modified.