The Financial Reconstruction Commission on Tuesday released its preliminary guidelines for granting licenses to new banks, emphasizing the need to shield them from potential business risks of their parent companies.

The FRC is inviting public comment on the guidelines until June 30, after which it will formalize the rules "as soon as possible," officials said.

Tuesday's guidelines would pave the way for new types of banks, such as an Internet bank planned by Sony Corp. and a bank utilizing automatic teller machines at convenience stores planned by supermarket operator Ito-Yokado Co.