Allowed if: (1) If he is disturbed in the possession or ownership of the thing bought, (2) If he has well-ground fear that his possession or ownership would be disturbed by a vindicatory action or foreclosure of mortgage
Not allowed if: (1) Vendor gives security for the payment of the price, (2) If there is a stipulation, (3) If the vendor has caused the disturbance or danger to cease, (4) If the disturbance is a mere act of trespass, (5) If the buyer is fully paid the price