Ahmad ibn al-Hasan, from Amr ibn Saeed, from Musaddiq ibn Sadaqah, from Ammar al-Sabati, who said: I (narrator) asked Abu Abdillah عليه السلام, peace be upon him, about ‘the man who says, ‘For Allah سبحانه وتعالى upon me is that I fast a month, or more than that, or less,’ then a matter arises for him in which he has no choice but to travel. Should he fast while he is a traveller?’ Imam عليه السلام said: “When he travels, let him break the fast, because fasting during travel is not lawful for him, whether it is obligatory or other than that, and fasting during travel is disobedience.”