Leviticus 27:2

Speak unto the children of Israel, and say unto them, When a man shall make a special vow of persons to the LORD at your valuation,

Numbers 6:2

Speak unto the children of Israel, and say unto them, When either man or woman shall separate themselves to vow a vow of a Nazarite, to separate themselves unto the LORD:

Deuteronomy 23:21-23

When you shall vow a vow unto the LORD your God, you shall not delay to pay it: for the LORD your God will surely require it of you; and it would be sin to you.

Judges 11:30-31

And Jephthah vowed a vow unto the LORD, and said, If you shall without fail deliver the children of Ammon into my hands,

Judges 11:39

And it came to pass at the end of two months, that she returned unto her father, who did with her according to his vow which he had vowed: and she knew no man. And it was a custom in Israel,

1 Samuel 1:11

And she vowed a vow, and said, O LORD of hosts, if you will indeed look on the affliction of your handmaid, and remember me, and not forget your handmaid, but will give unto your handmaid a male child, then I will give him unto the LORD all the days of his life, and there shall no razor come upon his head.

1 Samuel 1:28

Therefore also I have lent him to the LORD; as long as he lives he shall be lent to the LORD. And he worshiped the LORD there.

Genesis 28:20-22

And Jacob vowed a vow, saying, If God will be with me, and will keep me in this way that I go, and will give me bread to eat, and clothing to put on,

Numbers 21:2

And Israel vowed a vow unto the LORD, and said, If you will indeed deliver this people into my hand, then I will utterly destroy their cities.

Numbers 30:3

If a woman also vows a vow unto the LORD, and binds herself by a bond, being in her father's house in her youth;

Ecclesiastes 5:4-5

When you vow a vow unto God, defer not to pay it; for he has no pleasure in fools: pay that which you have vowed.

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
And Jacob vowed a vow, saying, If God will be with me, and will keep me in this way that I go, and will give me bread to eat, and clothing to put on,
Numbers 6:2
Speak unto the children of Israel, and say unto them, When either man or woman shall separate themselves to vow a vow of a Nazarite, to separate themselves unto the LORD:
Numbers 21:2
And Israel vowed a vow unto 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 shall vow a vow unto the LORD your God, you shall not delay to pay it: for the LORD your God will surely require it of you; and it would be sin to you.
Judges 11:30
And Jephthah vowed a vow unto the LORD, and said, If you shall without fail deliver the children of Ammon into my hands,
1 Samuel 1:11
And she vowed a vow, and said, O LORD of hosts, if you will indeed look on the affliction of your handmaid, and remember me, and not forget your handmaid, but will give unto your handmaid a male child, then I will give him unto the LORD all the days of his life, and there shall no razor come upon his head.