Apostolic Church-Ordinance
The Apostolic Church-Ordinance (or Apostolic Church-Order, Apostolic Church-Directory or Constitutio Ecclesiastica Apostolorum) is an anonymous Oriental Orthodox Christian treatise which belongs to the genre of the Church Orders. The work can be dated at the end of 3rd century CE. The provenance is usually regarded as Egypt, or perhaps Syria.
Source: Wikipedia — Apostolic Church-Ordinance (CC BY-SA 4.0)