According to the rules included at: https://www.findmassmoney.com/app/reporting-guidelines, the Massachusetts Unclaimed Property Law ( M.G.L.c. 200A ), requires business entities and others to review their records each year to determine whether they are in the possession of any unclaimed funds, securities or other property which is reportable under Chapter 200A and to make an annual report of their findings.
Please follow the instructions at https://www.findmassmoney.com/app/reporting-guidelines to report those uncashed patient refunds, uncashed payroll checks issued to your employees, and other unclaimed funds to the Mass Unclaimed Property division.