A broader sense of the term "regulative principle" is occasionally cited on matters other than worship, such as to constrain designs of church government to scriptural elements.
The regulative principle is characteristic of Calvin's thought: basing his approach in the Sola Scriptura key Reformation principle, he removes from church service order any element not explicitly mentioned in the Bible in order to avoid any risk of compromise with the sacred tradition - which was promoted as a second source of dogma by the Roman Catholic Church; he for instance associates musical instruments with icons, which he considered violations of the Ten Commandments' prohibition of graven images.
The Churches of Christ continues to hold to the traditional reformed interpretation of the regulative principle in regard to the prohibition of instrumental music in the worship service.
[10][13] While music is the central issue in worship debates, other matters have been contentious as well, including doxologies, benedictions, corporate confession of sin, prayer and the readings of creeds or portions of scripture.
The following are Orders of Service for the Lord's Day as designed by John Calvin (Collect is a short prayer; Lection is a scripture reading; Fraction and Delivery are the breaking of the bread and distribution thereof, respectively):[14]