Abstract: A system and method for providing listing check functionality. According to particular embodiments of the invention, an application program searches for and accesses a listing rule to determine whether a product is prohibited by a business organization from being purchased, or allowed by the business organization to be purchased. The listing rule is embodied in a first data structure including one or more pre-configured data elements identifying a classification of the business organization associated, and a link, and a second data structure referenced by the link, the second data structure including or referencing one or more data elements identifying a classification of the product, wherein at least the first data structure or the second data structure includes one or more user-defined data elements identifying either a classification of the business organization or the product, and one or more data elements identifying a listing condition associated with the listing rule.