456 CMR, § 21.17
The fact-finder shall be entitled to the compensation rate contained in the resume on file with the Department, for each day or portion thereof spent in hearing, preparation, and issuance of the fact-finder's report, including clarification, if any, and in mediation. The fact-finder shall also be entitled to reimbursement for necessary and ordinary expenses. The costs for fact-finding shall be equally divided between the parties unless they agree otherwise.
The fact-finder's bill showing the amount payable by each party must accompany the final fact-finding report. The fact-finder may submit interim bills to the parties in the course of the proceedings, and copies of such interim bills shall also be sent to the Department. The parties shall make payment directly to the fact-finder.
456 CMR, § 21.17