Methods and systems are provided for creating and managing structured order items. In one embodiment, a method is provided for creating and managing structured order items according to a customer order within a supply chain management system, wherein the customer order specifies a plurality of products and required quantities thereof. The method comprises the steps of checking availability of the required quantity of the products, and comparing the available quantity of the products with the ordered quantity of the products. The method further comprises replacing the ordered product by a variant product, if the available quantity of the product does not correspond to the ordered quantity of the product, the variant product comprising a plurality of replacement products. Additionally, the method includes creating structured order items according to the variant product, and updating the customer order to replace the ordered product with the structured order items.