(14)It is necessary, however, to preserve a level playing field between electronic money institutions and credit institutions with regard to the issuance of electronic money to ensure fair competition for the same service among a wider range of institutions for the benefit of electronic money holders. This should be achieved by balancing the less cumbersome features of the prudential supervisory regime applying to electronic money institutions against provisions that are more stringent than those applying to credit institutions, notably as regards the safeguarding of the funds of an electronic money holder. Given the crucial importance of safeguarding, it is necessary that the competent authorities be informed in advance of any material change, such as a change in the safeguarding method, a change in the credit institution where safeguarded funds are deposited, or a change in the insurance undertaking or credit institution which insured or guaranteed the safeguarded funds.