13 - Reclassification of disabilities.

§ 13. Reclassification  of disabilities. Subject to the limitations in  section  fifty-one  of  this  chapter  and  in   section   one   hundred  twenty-three of the workers' compensation law as made applicable to this  chapter   by   section   fifty-seven   of  this  chapter,  the  workers'  compensation board may at any time, without regard to the  date  of  the  injury, upon its own motion, or on application of any party in interest,  reclassify  a  disability  upon  proof  that  there has been a change in  condition, or that the previous classification was erroneous and not  in  the interest of justice.