Its rubric states that it was made on the order of the bishops, but this was probably added later when the list was updated.
[2] The civitates of the Notitia parallel the dioceses of the Roman church,[3] but for the 6th rather than the 4th century.
The bishops' purpose was to prevent disputes over metropolitan authority, "lest antiquity be overturned by any eventuality".
[2] The Notitia remained an important reference point throughout the Middle Ages and is preserved in over 100 manuscripts, but often interpolated.
[3] List of Roman provinces with cities (by modern name), taken from Harries 1978.