Westminster Larger Catechism Q&A 108
Q: What are the duties required in the second commandment?
A: The duties required in the second commandment are, the receiving, observing, and keeping pure and entire, all such religious worship and ordinances as God hath instituted in his Word; particularly prayer and thanksgiving in the name of Christ; the reading, preaching, and hearing of the Word; the administration and receiving of the sacraments; church government and discipline; the ministry and maintenance thereof; religious fasting; swearing by the name of God; and vowing unto him; as also the disapproving, detesting, opposing all false worship; and, according to each one’s place and calling, removing it, and all monuments of idolatry.