Methods and systems are provided for establishing an availability check
framework. In one embodiment, a method is provided that comprises
defining a plurality of inclusive rules, each inclusive rule specifying
at least one of a location and a product to be checked for availability,
and defining a plurality of exclusive rules, each exclusive rule
specifying at least one of a location or product which is excluded from
being checked for availability, wherein the plurality of rules are
provided for selection within an availability check procedure. The at
least one exclusive rule of the plurality of exclusive rules may include
at least one indication which is representative of at least one time
period in which the exclusion of the at least one location or product
specified in the respective exclusive rule is valid.