Oaths used for Binding to Performance of Sacred Duties
Source: TTT
Numbers 30:2
If a man makes a vow to the LORD or swears an oath to obligate himself by a pledge, he must not break his word; he must do everything he has promised.
2 Chronicles 15:14, 15
They took an oath to the LORD with a loud voice, with shouting, trumpets, and rams’ horns. / And all Judah rejoiced over the oath, for they had sworn it with all their heart. They had sought Him earnestly, and He was found by them. So the LORD gave them rest on every side.
Nehemiah 10:29
hereby join with their noble brothers and commit themselves with a sworn oath to follow the Law of God given through His servant Moses and to carefully obey all the commandments, ordinances, and statutes of the LORD our Lord.
Psalm 132:2
how he swore an oath to the LORD, and vowed to the Mighty One of Jacob: