(a) While in the process of planning or development, the term "HMO" may be used as a part of the proposed HMO's name as long as the developmental status of the proposed HMO is made clear in all dealings with employers, individuals, prospective contract holders, news media, and others.(b) A trademark, service mark, or assumed name must be filed with and approved by the commissioner before use.(c) After the commissioner issues a certificate of authority, the HMO must use the name as it appears on the certificate of authority on all advertising and forms distributed to the public.(d) After the commissioner issues a certificate of authority, the HMO must file any new trademark or service mark, or any changes to an existing trademark or service mark, with the commissioner.