Mich. Comp. Laws § 205.212
Every such appraiser shall forthwith give notice by mail to all such persons as he is notified by the judge of probate are interested in the property to be appraised, and to the county treasurer, of the time and place when he will appraise the property. He shall at such time and place appraise the same at its clear market value as herein prescribed, and for that purpose said appraiser is authorized to issue subpoenas to compel the attendance of witnesses before him, and to take the evidence of such witnesses under oath concerning such property and the value thereof, and he shall make report thereof and of such value in writing to said judge of probate, together with the depositions of the witnesses examined and such other facts in relation thereto and to the said matter as the said judge of probate may order and require. Every appraiser shall be reimbursed for his actual and necessary traveling and other expenses and shall be entitled to 3 dollars per day for every day actually and necessarily employed in such appraisement. The fees of the necessary witnesses shall be the same as those now paid to witnesses subpoenaed to attend a court of record. A statement in detail of such compensation and disbursements as are authorized by this section shall be approved by the judge of probate and paid by the county treasurer from the general or contingent fund of the county.
MCL 205.212