Mass. Gen. Laws ch. 221, § 99: Traveling expenses

Section 99. Clerks and assistant clerks of courts shall receive from the commonwealth their traveling expenses necessarily incurred when holding sessions of said courts outside of the cities or towns in which the clerks' offices are established and any expenses actually incurred in transporting official papers between clerks' offices for court purposes, upon an itemized statement of such expenses being certified to, and approved by, the administrative justice for the superior court department.