Definitions for "Supplemental Agreement"
A bilateral written amendment to a contract by which the owner and the contractor settle price and/or performance adjustment s to the original contract. [D03698] DSMC
An agreement between an injured worker and the employer or insurer entered into after a notice of compensation payable is issued or after an agreement for compensation has been signed which modifies, suspends, reinstates, or terminates the compensation then being received under the notice of compensation payable or under the original agreement between the parties.
In a workers' compensation case, this is the form signed by the injured employee when there has been a change in disability status.