Diebus Dominicis Mercari, Judicari Vel Jurari Non Debet Law and Legal Definition

Diebus dominicis mercari, judicari vel jurari non debet is a maxim of the civil law. It means that on the Sabbath there ought not to be any trading, any giving judgment, nor any holding of court.

The following is an example of a case law referring to diebus dominicis mercari, judicari vel jurari non debet:

“The observance of Sunday as a Sabbath or day of ceremonial rest was first enjoined by the Emperor Constantine as a civil regulation, in conformity with the practice of the Christian church. Hence it is a maxim of the civil law, Diebus dominicis mercari, judicari vel jurari non debet.” [Richardson v. Goddard, 64 U.S. 28, 41 (U.S. 1860)].