(e) In the case of a termination, the board shall give the city, county, or city and county written notice of termination, stating the reasons therefor and the effective date of the termination, which shall be not earlier than the first day of the first calendar quarter commencing at least 30 days after the mailing of the notice to the city, county, or city and county. If the cause for termination is not cured within the time specified in the notice, the board shall not administer the ordinance until the cause for termination is removed and a new contract for the administration of the ordinance executed. The contract shall be operative not earlier than the first day of the first calendar quarter commencing after its execution. During the period of time that the board is not administering the sales and use tax ordinance of a city, county, or city and county, no ordinance of that city, county, or city and county shall be considered to be an ordinance enacted in accordance with this part.