After the Credit Crisis, New Rules and Regulations Were Issued

After the credit crisis, new rules and regulations were issued to reform the swap markets. Which of the following is NOT one of the requirements of these new rules and regulations?

A) Dealers and major participants in swaps must register with the Commodities Futures Trading Commission or the Securities and Exchange Commission.
B) To make the market more transparent, the majority of swaps are to be traded on electronic platforms called swap execution facilities.
C) Credit default swaps can no longer be created for mortgage-backed securities.
D) Information about all swaps must be reported to a swap data repository.