Type: String
Identifies the reference page from the rate source.
For FX, the reference page to the spot rate is to be used for the reference FX spot rate.
When LegComplexEventRateSource (41383) = 3 (ISDA Settlement Rate Option) this contains the value from the scheme that reflects the terms of the Annex A to the ISDA 1998 FX and Currency Option Definitions. See: http://www.fpml.org/coding-scheme/settlement-rate-option.
Added in protocol FIX.5.0SP2 (EP 169)