The Exchequer of Ireland was formed in 1210, when King John applied English law, which included the Exchequer, to Ireland. Like the English Exchequer, the Exchequer of Ireland was divided into two parts; the judicial, or Superior Exchequer, which was a court, and the receipt, or Inferior Exchequer, which was tasked with receiving rents and other revenues for The Crown. The principal purpose of the Exchequer was to act as a treasury, taking in revenues, with the receipt department collecting money and the court acting in cases where this money was not paid, or where there was some dispute over it. As with the English Exchequer, the judicial part was a court of both law and equity, and was occasionally known as the Irish Exchequer of Pleas, after the English body. The Inferior Exchequer, tasked with collecting revenues, remained part of the Exchequer long after the English Inferior Exchequer had become a distinct body called the Treasury. The Exchequer was finally dissolved in 1817, when it was amalgamated with the Exchequer of Great Britain following the Act of Union 1800. The "Red Book of the Irish Exchequer" was a 14th-century compilation of Exchequer practice, including the text of the Magna Carta Hiberniae, destroyed in the 1922 Four Courts explosion.
Procedure
Court hearings were held before the Barons of the Exchequer of Ireland, along with the Chancellor and Treasurer; in practice, only the Barons attended. The Court's jurisdiction was over matters pertaining to The Crown's revenues, although the Writ of Quominus was used as a work of legal fiction to widen its remit. The procedure used was similar to that in the Court of Chancery, and as such the officials of the court could only be sued through the Exchequer, not through any other body, particularly if the case was about their professional actions. As a result of the Writ of Quominus, anyone identified as a debtor to The Crown could bring a case. Every Irish case which involved the King and his revenue was brought to the Irish Exchequer of Pleas; if brought to another court, it would be relocated to the Exchequer. All cases were recorded, first in the Plea rolls and then in the Pipe Rolls, which recorded the revenues and debts owed to The Crown.
The officers of the Inferior Exchequer included the Lord High Treasurer, who in practice rarely acted, and his deputy the Vice-Treasurer, who as a result did most of the work. The Treasurers were in charge of all of The Crown's revenue in Ireland, signing and approving all orders accepting money and paying it out. They were assisted by the Teller or Cashier, who actively collected the money, and the Clerk of the Pells, who logged the Teller's receipts. The Treasurers were accountable for their revenues to a Commission, established by Great Britain, which consisted of the Chancellor of the Exchequer of Ireland, the Lord High Chancellor, the Lord Chief Baron and the other two Barons of the Irish Exchequer. These Commissioners were expected to make an annual review, and also inspected other bodies, such as the Board of Works and the Board of Ordnance.