Regulation E is a consumer protection regulation that is implemented by the Consumer Financial Protection Bureau (CFPB) and applies to electronic fund transfers (EFTs). EFTs are financial transactions that are initiated through electronic means, such as by using a debit card, a credit card, or an electronic check.Regulation E sets out the rights and responsibilities of consumers and financial institutions with respect to EFTs, including the error resolution and liability provisions that apply when there is a problem with an EFT. The regulation also requires financial institutions to disclose certain information to consumers, such as the terms and conditions of their EFT services and the fees that may be charged for those services.