The insurance commissioner shall give written notice to the company specifying the date on which any revocation or suspension shall be effective, the term of any suspension, and the ground for the revocation or suspension; provided, that if the ground for revocation or suspension is that the company has violated any provision of law or has failed to comply with its charter, the effective date of the revocation or suspension shall be not less than ten (10) days from the date of issue of the notice, and the particulars of the violation or failure to comply with its charter shall be specified in the notice. The notice shall be served by registered or certified mail, sent postage prepaid, and addressed to the company at its last home office address, or in the case of a company of a foreign country, sent to its resident manager in the United States or at his last address appearing on the records of the insurance commissioner. An affidavit of the insurance commissioner in any form as the commissioner may prescribe, or of anyone authorized by him or her to give notice, appended to a copy of the notice, that the notice has been mailed as provided in this section shall be prima facie evidence that the notice has been duly given. The insurance commissioner shall also cause notice of the revocation or suspension to be published in any manner, as the commissioner may deem necessary for the protection of the public.