When

Genesis 28:20-22
Then Jacob made a vow, saying, "If God will be with me and watch over me on this journey, and if He will provide me with food to eat and clothes to wear, . . .

Numbers 6:2
"Speak to the Israelites and tell them: If a man or woman makes a special vow, the vow of a Nazirite, to separate himself to the LORD,

Numbers 21:2
So Israel made a vow to the LORD: "If You will deliver this people into our hands, we will completely destroy their cities."

Deuteronomy 23:21-23
If you make a vow to the LORD your God, do not be slow to keep it, because He will surely require it of you, and you will be guilty of sin. . . .

Judges 11:30, 31, 39
Jephthah made this vow to the LORD: "If indeed You will deliver the Ammonites into my hands, . . .

1 Samuel 1:11, 28
And she made a vow, pleading, "O LORD of Hosts, if only You will look upon the affliction of Your maidservant and remember me, not forgetting Your maidservant but giving her a son, then I will dedicate him to the LORD all the days of his life, and no razor shall ever come over his head." . . .

Leviticus 7:16
If, however, the sacrifice he offers is a vow or a freewill offering, it shall be eaten on the day he presents his sacrifice, but the remainder may be eaten on the next day.

Ecclesiastes 5:4, 5
When you make a vow to God, do not delay in fulfilling it, because He takes no pleasure in fools. Fulfill your vow. . . .