Leviticus 27:2

“Speak to the sons of Israel and say to them, ‘When a man makes a difficult vow, he shall be valued according to your valuation of persons belonging to the Lord.

Numbers 6:2

“Speak to the sons of Israel and say to them, ‘When a man or woman makes a special vow, the vow of a Nazirite, to dedicate himself to the Lord,

Deuteronomy 23:21-23

When you make a vow to the Lord your God, you shall not delay to pay it, for it would be sin in you, and the Lord your God will surely require it of you.

Judges 11:30-31

Jephthah made a vow to the Lord and said, “If You will indeed give the sons of Ammon into my hand,

Judges 11:39

At the end of two months she returned to her father, who did to her according to the vow which he had made; and she had no relations with a man. Thus it became a custom in Israel,

1 Samuel 1:11

She made a vow and said, “O Lord of hosts, if You will indeed look on the affliction of Your maidservant and remember me, and not forget Your maidservant, but will give Your maidservant a son, then I will give him to the Lord all the days of his life, and a razor shall never come on his head.”

1 Samuel 1:28

So I have also dedicated him to the Lord; as long as he lives he is dedicated to the Lord.” And he worshiped the Lord there.

Genesis 28:20-22

Then Jacob made a vow, saying, “If God will be with me and will keep me on this journey that I take, and will give me food to eat and garments to wear,

Numbers 21:2

So Israel made a vow to the Lord and said, “If You will indeed deliver this people into my hand, then I will utterly destroy their cities.”

Numbers 30:3

“Also if a woman makes a vow to the Lord, and binds herself by an obligation in her father’s house in her youth,

Ecclesiastes 5:4-5

When you make a vow to God, do not be late in paying it; for He takes no delight in fools. Pay what you vow!

Treasury of Scripture Knowledge

Summary

Speak unto the children of Israel, and say unto them, When a man shall make a singular vow, the persons shall be for the LORD by thy estimation.

Bible References

When

Genesis 28:20
Then Jacob made a vow, saying, “If God will be with me and will keep me on this journey that I take, and will give me food to eat and garments to wear,
Numbers 6:2
“Speak to the sons of Israel and say to them, ‘When a man or woman makes a special vow, the vow of a Nazirite, to dedicate himself to the Lord,
Numbers 21:2
So Israel made a vow to the Lord and said, “If You will indeed deliver this people into my hand, then I will utterly destroy their cities.”
Deuteronomy 23:21
When you make a vow to the Lord your God, you shall not delay to pay it, for it would be sin in you, and the Lord your God will surely require it of you.
Judges 11:30
Jephthah made a vow to the Lord and said, “If You will indeed give the sons of Ammon into my hand,
1 Samuel 1:11
She made a vow and said, “O Lord of hosts, if You will indeed look on the affliction of Your maidservant and remember me, and not forget Your maidservant, but will give Your maidservant a son, then I will give him to the Lord all the days of his life, and a razor shall never come on his head.”