An insurance carrier which has issued a motor vehicle liability policy or an operator's policy of liability insurance meeting the requirements of this article shall upon request of the insured therein deliver to the insured for filing or at the request of the insured shall file directly with the director an appropriate certificate showing that such policy has been issued, which certificate shall meet the requirements of this article. The issuance and delivery or filing of such a certificate shall be conclusive evidence that every policy therein recited has been duly issued and complies with the requirements of this article.