(1) If a condition is against good morals or other social order, the juristic act subject to the condition shall be null and void.
(2) If the condition has already been fulfilled at the time of the juristic act, such juristic act shall be unconditional in the case of a condition precedent, and null and void in the case of a condition subsequent.
(3) If the non-fulfillment of the condition was already certain at the time of the juristic act, such juristic act shall be unconditional in the case of a condition subsequent, and null and void in the case of a condition precedent.