Section 502: Impossible obligation not to be fulfilled

1) Notwithstanding anything contained elsewhere in this Chapter, if, at the time of its creation, any obligation of such nature as is impossible for fulfillment has been created, such an obligation shall not be required to be fulfilled.

2) If any obligation which was possible for fulfillment at the time of its creation subsequently becomes impossible for fulfillment, the consequence of such obligation shall be determined according to the law.

3) Notwithstanding anything contained in sub-section (1) or (2), if a portion of any obligation can be fulfilled and the remaining portion cannot be fulfilled, the obligation shall be fulfilled to the extent that it can be fulfilled.