What Happens If an Instruction Remains Unmatched And/or Unsettled Through

Multiple Choice

What happens if an instruction remains unmatched and/or unsettled through CLS Bank?

A) If there is more than one FX trade with a single counterparty to settle in the identical currencies, then both sides should bilaterally agree to settle the trades outside of CLS Bank on a net basis.
B) If there is only one FX trade with a single counterparty to settle in the identical currencies, then either side can unilaterally decide to settle the trade outside of CLS Bank on a net basis.
C) If there is more than one FX trade with a single counterparty to settle in the identical currencies, then both sides should bilaterally agree to settle the trade outside CLS Bank on a gross basis.
D) If there is more than one FX trade with a single counterparty to settle in the identical currencies, then either side can unilaterally instruct the CLS Bank to settle the trades.