a system is provided for the automatic drop - off of at least one object on a conveyor belt for the purpose of the transport of the at least one object . the system includes : at least one apparatus for delimiting an area , called a drop - off area , allowing access to the conveyor belt and including at least one point of entry into the drop - off area and at least one point of exit from the drop - off area ; at each point of entry into the drop - off area , at least one first reader , for reading an item of authorization data ; in the drop - off area : at least one second reader , for reading an item of authorization data ; at least one delivery apparatus for delivering a tag , of identification to be affixed to the object to be dropped ; and at least one database which can be accessed by the readers .