A system, medium storing processor-executable process steps, method and apparatus for supporting a derivative transaction, the method including receiving data identifying a reference entity participating in the derivative transaction; receiving data identifying at least a first reference obligation associated with the derivative transaction; identifying a contractual relationship between the reference entity and the at least first reference obligation; and generating a data record associated with the derivative transaction, the data record including the data identifying said reference entity, the data identifying the at least first reference obligation, and data identifying said contractual relationship, wherein the data record is verified as accurate as of an issue date of the derivative transaction.