815 CMR 6.02
Definitions
Buyer Department. A State Department with statutory authorization to procure goods and
services to implement programs, services or objectives authorized under general or special law.
The Buyer Department transfers funds to a Seller Department as compensation for goods or
services provided by the Seller Department. Buyer Departments may also be referred to as
“Parent Departments”, and an Buyer Department ISA account may also be referred to as a
“Parent account”.
Department. Agencies, subdivisions, offices, boards, commissions or institutions of the
Executive, Judicial and Legislative Branches of the State.
Interdepartmental Chargebacks. Fee-based charges for statutorily authorized commodities and
services which are available to State Departments on an ad hoc request basis, a public fee basis,
or statewide Chargeback basis.
(Mass. Register #1574, 05/22/2026)
Interdepartmental Encumbrance (IE). An encumbrance transaction used to notify Buyer
Departments of negotiated or mandated estimated charges for the Chargeback goods or services
and to reserve funds to pay for these charges.
Interdepartmental Fiscal Business. All types of business relationships that occur between a
Buyer and Seller Department requiring the Buyer Department to transfer funds in the state
accounting system to the Seller Department.
Interdepartmental Service Agreement (ISA). Non-chargeback interdepartmental business
relationships are evidenced by an Interdepartmental Service Agreement (ISA). The ISA is a
contract between two state departments that documents the terms and conditions of their business
relationship. The ISA must be in accord with and consistent with the language in any
appropriation act funding the ISA and any applicable general or special state or federal law or
regulation.
Interdepartmental Service Agreement (ISA) Form. A standard form issued by the Office of the
Comptroller which must be signed by Seller and Buyer Departments and filed as prescribed by
the Office of the Comptroller.
Interdepartmental Voucher (IV). A transaction used by an Authorized Chargeback Department
to bill a Buyer Department for the costs of goods and services, and to enable payment from the
Buyer Department.
Mosaic. The Commonwealth’s enterprise statewide accounting and financial reporting system.
Quality Assurance Program. A program to review and support Departmental compliance with
state finance law and applicable policies and procedures relating to contracting and Departmental
purchasing expenditures. The Office of the Comptroller shall review ISAs and Interdepartmental
Chargebacks as part of its Quality Assurance Program.
Seller Department. A State department which is mandated or authorized in statute to provide
the type of services, commodities or programs which are requested or required by a Buyer
Department. A Seller Department provides commodities or services, and receives a transfer of
funds from a Buyer Department through either an Interdepartmental Service Agreement (ISA),
or an Interdepartmental Chargeback, if so authorized. Seller Departments may also be referred
to as “Child Departments”, and an Seller Department ISA account may also be referred to as a
“Child account”.
State. The Commonwealth of Massachusetts.