Hajj of Nazr (an offering ;to make a spiritual vow)

Article 17- Whenever a sane and adult person performs Nazr( make a spiritual vow )purposely and by free will for performing Hajj, then Hajj is obligatory for that person; but Nazr of wife, if it has contradiction with her rights, is not permitted without the permission of her husband, and if it has no contradiction then this is correct.

Article 18- Whenever a person does Nazr for performing Hajj and does not specify a time for that, then this person can delays that; but if he/ she had specified the time, then it is obligatory for him/ her to perform Hajj in that specific time and if the person does not perform that purposely he/ she should pay its atonement and perform it in another time as a precaution.