Rentamt, also Renterei or Rentei, is the term that (mainly income from domains) stood since the late Middle Ages to the authority of the sovereign or church financial management under the leadership of a Rentmeisters or Rent bailiff. Later " bursary " designated an authority to manage the manorial revenue.

In Bavaria, where the term was used particularly long, the Rent Offices emerged as the administrative authorities of the previous box offices that served the administration of the sovereign chamber property. The Vitztumsämter were converted in 1507 as part of a major administrative reform after the Landshut War of Succession ( 1504/ 05) in Rent offices, which were also responsible for legal, administrative and military tasks then in Bavaria in addition to the tax authorities. Thus, the Rent Offices for example, were the " intermediate authorities " between the District Courts of the lower level and the central authorities in the respective capital.

Minister Montgelas let the Rent offices in Bavaria convert as part of its comprehensive administrative reforms in 1802 again in pure financial authorities, then each of a rent officer (later Rentamt man) were conducted. After the First World War, the introduction of the Reich Finance Administration were obtained from the Rent offices in Bavaria in the course of 1919, the tax authorities as a kingdom.

Home to the Roman Emperor, Mainz, for the bailiff Edmund Rokoch built