Leviticus 27:2

Speak unto the children of Israel and say unto them, When any one devoteth anything by a vow, the persons shall be for Jehovah according to thy valuation.

Numbers 6:2

Speak unto the children of Israel, and say unto them, If a man or a woman have vowed the special vow of a Nazarite, to consecrate themselves to Jehovah;

Deuteronomy 23:21-23

When thou vowest a vow to Jehovah thy God, thou shalt not delay to perform it; for Jehovah thy God will certainly require it of thee, and it shall be sin in thee.

Judges 11:30-31

And Jephthah made a vow to the LORD, and said, "If thou wilt give the Ammonites into my hand,

Judges 11:39

And at the end of two months, she returned to her father, who did with her according to his vow which he had made. She had never known a man. And it became a custom in Israel

1 Samuel 1:11

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

1 Samuel 1:28

And also I have lent him to Jehovah: all the days that he lives, he is lent to Jehovah. And he worshipped Jehovah there.

Genesis 28:20-22

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

Numbers 21:2

Then Israel vowed a vow to Jehovah, and said, If thou give this people wholly into my hand, then I will utterly destroy their cities.

Numbers 30:3

If a woman also vow a vow to Jehovah, and bind herself by a bond, in her father's house in her youth,

Ecclesiastes 5:4-5

When thou vowest a vow unto God, defer not to pay it; for he hath no pleasure in fools: pay that which thou hast 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 keep me on this road that I go, and will give me bread to eat, and a garment to put on,
Numbers 6:2
Speak unto the children of Israel, and say unto them, If a man or a woman have vowed the special vow of a Nazarite, to consecrate themselves to Jehovah;
Numbers 21:2
Then Israel vowed a vow to Jehovah, and said, If thou give this people wholly into my hand, then I will utterly destroy their cities.
Deuteronomy 23:21
When thou vowest a vow to Jehovah thy God, thou shalt not delay to perform it; for Jehovah thy God will certainly require it of thee, and it shall be sin in thee.
Judges 11:30
And Jephthah made a vow to the LORD, and said, "If thou wilt give the Ammonites into my hand,
1 Samuel 1:11
And she vowed a vow, and said, O Jehovah of hosts, if thou wilt indeed look on the affliction of thy handmaid, and remember me, and not forget thy handmaid, but wilt give unto thy handmaid a man child, then I will give him to Jehovah all the days of his life, and there shall no razor come upon his head.