A party seeking modification of a prior finding or order shall file the request for modification form and simultaneously file an issues form identifying the issue to be resolved. A party seeking modification shall file a request for modification form within 5 years of the later of the date of the accident, the date of disablement, or the date of the last compensation payment. The request shall state specifically the finding or order that the party wishes modified and the facts and law upon which the party is relying as grounds for the modification. When a party seeks an increase in a prior award for permanent partial disability, the parties shall comply with Regulation .07 of this chapter and COMAR 14.09.09.