In case the applicant wishes to terminate the contract he agrees either to continue the service until all unused containers, labels and advertising material on hand or in the possession of his supplier bearing the Department shield, or reference to continuous inspection service have been used, or to destroy such containers, labels and advertising material, or to obliterate the Department shield and all other reference to the continuous inspection service on said containers, labels, and advertising material, or otherwise furnish assurance satisfactory to the Agricultural Marketing Service that such containers, labels and advertising material will not be used in violation of the terms and conditions of this agreement. In case the continuous inspection service is terminated for cause by the Agricultural Marketing Service, the applicant agrees to destroy all unused containers, labels and advertising material on hand bearing the Department shield, or reference to continuous inspection service, or to obliterate the Department shield, and all reference to the continuous inspection service on said containers, labels and advertising material or otherwise furnish assurance satisfactory to the Agricultural Marketing Service that such containers, labels and advertising material will not be used in violation of the terms and conditions of the agreement.