1. A method of a Policy and Charging Rules Node (PCRN) creating a PCC rule, the method comprising: receiving, at the PCRN, a request message from a requesting device, the request message including an information set; determining that a policy decision should be made based on the information set in the request message; obtaining a rule set based on the information set, wherein the rule set includes at least one rule, the at least one rule including at least two values; determining that the at least one rule is applicable to the information set; and generating an answer message, wherein at least one value of the at least two values is included in the answer message.