What should an administrative code and an administrative procedure code contain?

The administrative code of the Republic of Moldova was approved by the Parliament on July 19, 2018 (entered into force on April 1, 2019). One year later, on July 3, 2019, by the Government Emergency Ordinance, no. 57/2019, the Administrative Code of Romania was approved, which entered into force on the date of publication in the Official Gazette of Romania. However, the Administrative Codes of Romania and the Republic of Moldova, although with identical titles, have a different content or object of regulation and are different in their structure. The opinions on administrative codification set out in the Romanian and Moldovan literature are examined in this article. In particular, the issue of the content (object of regulation) of the Administrative Code and the Code of Administrative Procedure is investigated. The article also addresses issues such as the issue of Code priority, the issue of distinguishing between substantial administrative law and the law of administrative procedure. In the author’s opinion, in the administrative field, the object and perimeter of a code can be established starting from the determination of the difference between the material / substantial administrative law and the law of the administrative procedure