(3) In case the fishery products inspection service is terminated for cause by NMFS under the terms of paragraph (d)(1)(iii) of this section, or in case of automatic termination under terms of paragraph (d)(1)(iv) of this section, the contracting party must destroy all unused containers, labels, and advertising material on hand bearing official identification marks, or reference to fishery products inspection service, or must obliterate official identification marks, and all reference to the fishery products inspection service on said containers, labels and advertising material. After termination of the fishery products inspection service, NMFS may, at such time or times as it may determine to be necessary, during regular business hours, enter the establishment(s) or other facilities in order to ascertain that the containers, labels, and advertising material have been altered or disposed of in the manner provided herein, to the satisfaction of NMFS.