stated that 30% of new cases referred to payment protection insurance. A customer who purchases a PPI policy may initiate a claim for mis-sold PPI by complaining to the bank, lender, or broker who sold the policy. Slightly before that, on 6 April 2011, the Competition Commission released their investigation order designed to prevent mis-selling in the future. Key rules in the order, designed to enable the customer to shop around and make an informed decision, include: provision of adequate information when selling payment protection and providing a personal quote; obligation to provide an annual review; prohibition of selling payment protection at the same time the credit agreement is entered into. Most rules came into force in October 2011, with some following in April 2012. The Central Bank of Ireland in April 2014 was described as having "arbitrarily excluded the majority of consumers" from getting compensation for mis-sold PPI, by setting a cutoff date of 2007 when it introduced its Consumer Protection Code. UK banks provided over £22bn for PPI misselling costs – which, if scaled on a pro-rata basis, is many multiples of the compensation the Irish banks were asked to repay. The offending banks were also not fined which was in sharp contrast to the regime imposed on UK banks. Lawyers were appalled at the "reckless" advice the Irish Central Bank gave consumers who were missold PPI policies, which "will play into the hands of the financial institution." Calculations The price paid for payment protection insurance can vary quite significantly depending on the lender. A survey of forty-eight major lenders by Which? Ltd found the price of PPI was 16–25% of the amount of the debt. PPI premiums may be charged on a monthly basis or the full PPI premium may be added to the loan up-front to cover the cost of the policy. With this latter payment approach, known as a "Single Premium Policy", the money borrowed from the provider to pay for the insurance policy incurs additional interest, typically at the same APR as is being charged for the original sum borrowed, further increasing the effective total cost of the policy to the customer. Payment protection insurance on credit cards is calculated differently from lump sum loans, as initially there is no sum outstanding and it is unknown if the customer will ever use their card facility. However, in the event that the credit facility is