Complex sentence: At first parties claimed to be servants of Exchequer officials, but eventually the Writ of Quominus became the normal way of bringing an action in the Exchequer, the writ operating in a similar manner to the Bill of Middlesex in the King's Bench.
Split into simpler sentences: At first parties claimed to be servants of Exchequer officials, but eventually the Writ of Quominus became the normal way of bringing an action in the Exchequer. Quominus operating in a similar manner to the Bill of Middlesex in the King's Bench.