|Length||From||To||Datatype||Format||Description and Comments|
|2||1||2||AN||X(2)||Record ID - "Y "|
|10||3||12||AN||X(10)||Combination Product (Commodity) Code|
|10||13||22||AN||X(10)||Option on Combination Product (Commodity) Code|
- A "Y" record specifies an option on combination product family, and identifies the product family which is the underlying combination. Options in this option-on-combination product family are margined using the method specified on the "X" record for the underlying combination product family.