No license shall be issued pursuant to this chapter until a policy for public liability insurance as required by this chapter has been secured, and the policy, or a copy of the policy or certificate evidencing the policy, has been deposited with the Tax Collector, along with the required license fee. The policy, or an endorsement thereto, shall provide that the issuing company will not allow the policy to be cancelled for any reason without first serving a ten (10) day notice of cancellation upon the County. Such service shall be made by registered mail to the Tax Collector. (§ 1, Ord. 893, eff. November 1, 1980)