The judge may, upon the petition of a claimant or an insurer that the disability of the claimant has changed or that the claimant received benefits through fraud or deception, review, diminish, or increase, in accordance with the law on benefits as set forth in chapter 71 of this title, any benefits previously awarded by the judge. An insurer's petition alleging that the claimant received benefits through fraud or deception must be filed within 2 years after the insurer discovers the fraud or deception.
§ 39-71-2909, MCA