There is no form for a third-party settlement, but there is a required format, Petition For Approval Of Third Party Settlement Under M.G.L. c. 152, Section 15 . you are encouraged to use the Section 15 Interactive Petition v.2.62  xls format of Section 15 Petition
and the Section 15 Calculator Version 8.5  xls format of Section 15 Calculator Version 8.5

Questions regarding such claims should be addressed to the Impartial Scheduling Unit in Boston at 6170-727-4900, x 7440, 7426 or 7442