Abstract
An order fulfilment method implemented in an automated storage and retrieval system, the method includes loading each of the stocking boxes onto a container to form storage assemblies, transporting the storage assemblies to storage spaces in the storage structure, fulfilling orders at the at least one order fulfilment station, including, for all or some of the orders, picking at least one item from at least one of the storage assemblies and placing the at least one item into an order box, at least one stocking box being emptied, the stocking box emptied of the at least one item is used as the order box for at least one of the orders in.