TL*THE CONTACT OWNS A 2007 EVENFLO EMBRACE REARFACING INFANT SEAT, MODEL NUMBER 3971857. THE SEAT WAS MANUFACTURED ON MARCH 12, 2005. WHILE IN THE STORE, THE CONTACT PLACED THE CHILD SEAT MOUNT ON THE CART. WHEN SHE PLACED THE CART BACK, IT ROCKED AND THE CHILD SEAT FELL ONTO THE GROUND WITH THE BABY IN THE SEAT. THE CHILD'S HEAD STRUCK THE FLOOR AND SHE WAS TRANSPORTED TO THE HOSPITAL. THE CHILD SEAT ONLY HAD ONE LATCH, BUT THE CONTACT NOTICED THAT THE OTHER SEATS HAD TWO LATCHES. SHE STATED THAT THIS WAS VERY UNSAFE. THE CONTACT FILED AN INCIDENT REPORT IN THE STORE. THE PURCHASE DATE AND FAILURE TYPE WERE UNKNOWN.