38 CFR §21.284

1. (a)Reentrance into rehabilitation to the point of employability following a determination of rehabilitation. A veteran who has been found rehabilitated under provisions of § 21.283 may be provided an additional period of training or services only if the following conditions are met:
   1. (1)The veteran has a compensable service-connected disability and either;
   2. (2)Current facts, including any relevant medical findings, establish that the veteran's service-connected disability has worsened to the extent that the effects of the service-connected disability considered in relation to other facts precludes him or her from performing the duties of the occupation for which the veteran previously was found rehabilitated; or
   3. (3)The occupation for which the veteran previously was found rehabilitated under Chapter 31 is found to be unsuitable on the basis of the veteran's specific employment handicap and capabilities.
2. (b)Reentrance into a program of independent living services following a determination of rehabilitation. A finding of rehabilitation following a program of independent living services may only be set aside, and an additional period of independent living services provided, if the following conditions are met:
   1. (1)Either:
      1. (i)The veteran's condition has worsened and as a result the veteran has sustained a substantial loss of independence; or
      2. (ii)Other changes in the veteran's circumstances have caused a substantial loss of independence; and
   2. (2)The provisions of § 21.162 pertaining to participation in a program of independent living services are met.
3. (c)Reentrance into rehabilitation to the point of employability during a period of employment services. A finding of rehabilitation to the point of employability by VA may be set aside during a period of employment services and an additional period of training and related services provided, if any of the following conditions are met:
   1. (1)The conditions for setting aside a finding of rehabilitation under paragraph (a) of this section are found;
   2. (2)The rehabilitation services originally given to the veteran are now inadequate to make the veteran employable in the occupation for which he or she pursued rehabilitation;
   3. (3)Experience during the period of employment services has demonstrated that employment in the objective or field for which the veteran was rehabilitated to the point of employability should not reasonably have been expected at the time the program was originally developed; or
   4. (4)The veteran, because of technological change which occurred subsequent to the declaration of rehabilitation to the point of employability, is no longer able:
      1. (i)To perform the duties of the occupation for which he or she trained, or in a related occupation; or
      2. (ii)To secure employment in the occupation for which he or she trained, or in a related occupation.