Wife should ask for permission to fast.

The duties of a wife is obedient to her husband in a good thing. He can not do anything without the husband's consent except compulsory worship him.

That's why even though she had to fasting, a wife to ask her husband's permission in advance if he is at home. If the wife is not allowed but still fast, so fast in shariah illegal and told her husband the right to break the fast.

Al Ustaz,Issue 12