'Undertaking' in the Bible
When a man takes an oath to the Lord, or gives an undertaking having the force of an oath, let him not go back from his word, but let him do whatever he has said he will do.
If a woman, being young and under the authority of her father, takes an oath to the Lord or gives an undertaking;
If her father, hearing of her oath or the undertaking she has given, says nothing to her, then all her oaths and every undertaking she has given will have force.
And if she is married to a husband at the time when she is under an oath or an undertaking given without thought;
But if her husband, hearing of it, makes her take it back, then the oath she made and the undertaking she gave without thought will have no force or effect, and she will have the Lord's forgiveness.
But an oath made by a widow or one who is no longer married to her husband, and every undertaking she has given, will have force.
And her husband, hearing of it, said nothing to her and did not put a stop to it, then all her oaths and every undertaking she gave will have force.
But if her husband, on hearing of it, made them without force or effect, then whatever she has said about her oaths or her undertaking has no force: her husband has made them without effect, and she will have the Lord's forgiveness.
Every oath, and every undertaking which she gives, to keep herself from pleasure, may be supported or broken by her husband.
And she said, I will certainly go with you: though you will get no honour in your undertaking, for the Lord will give Sisera into the hands of a woman. So Deborah got up and went with Barak to Kedesh.
The Jews made a rule and gave an undertaking, causing their seed and all those who were joined to them to do the same, so that it might be in force for ever, that they would keep those two days, as ordered in the letter, at the fixed time every year;
Keep in mind your undertaking; for the dark places of the earth are full of pride and cruel acts.
Take a man's clothing if he makes himself responsible for a strange man, and get an undertaking from him who gives his word for strange men.
Take a man's clothing if he makes himself responsible for a strange man, and get an undertaking from him who gives his word for strange men.
And now, turning away from evil, you had done what is right in my eyes, giving a public undertaking for every man to make his neighbour free; and you had made an agreement before me in the house which is named by my name: