Which of the following statements about clearing and settlement services is incorrect?

A、 CPs have reconciled their internal records with the provisional statements which they can obtain from their CCASS terminals.
B、 The final statement is provided to CCASS Clearing Participants on T + 1 for confirmation of settlementThe method for calculating the stock positions and amounts of
C、 CCASS clearing participants is known as the Gross Settlement System.
D、 Through the legal change of responsibility procedure, the Central Clearing Company assumes the settlement risk as the counterparty of the CCASS clearing participant.Provide assurance for settlement