: rationale provided, but flag value is false. : rationale not provided , but flag value is true. : additional supplemental guidance provided, but flag value is false. : additional supplemental guidance not provided, but flag value is true. : additional supplemental guidance provided, but flag value is false. : additional supplemental guidance not provided, but flag value is true. : invalid additional supplemental guidance cross-reference "". : cross-reference to enhancement () (), which provides no additional supplemental guidance.