17 CFR 22.6: Futures commission merchants and derivatives clearing organizations: Naming of Cleared Swaps Customer Accounts.

The name of each Cleared Swaps Customer Account that a futures commission merchant or a derivatives clearing organization maintains with a Permitted Depository shall:

(a) Clearly identify the account as a “Cleared Swaps Customer Account” and

(b) Clearly indicate that the collateral therein is “Cleared Swaps Customer Collateral” subject to segregation in accordance with the Act and this part.