Quarantined articles and commodities are prohibited entry into Washington state except as follows:

(1) Articles and commodities covered originating in the area under quarantine may enter this state: Provided, That the articles or commodities are accompanied by a certificate issued by an authorized agricultural official in the state or province of origin which contains the following information:

(a) The designation of the articles and commodities.

(b) The county and state or province of origin.

(c) A statement verifying that all the articles and commodities were inspected for all stages of gypsy moth, and:

(i) They originated in noninfested premises in the area under quarantine and have not been exposed to gypsy moth while in the area under quarantine; or

(ii) Upon inspection, they were found to be free of any stage of gypsy moth; or

(iii) They were treated at origin under the direction of an agricultural official to destroy any stage of gypsy moth; the method of treatment used and the date of the treatment shall also be stated; or

(iv) They were grown, produced, manufactured, stored or handled in such a manner that no stage of gypsy moth would be transmitted on them.

(d) The original or facsimile signature of the authorized agricultural official.

(2) The certificate required under WAC 16-470-050(1) may be issued by a private enterprise: Provided, That the enterprise has been approved by the director, or by the United States Department of Agriculture, animal and plant health inspection service, plant protection and quarantine as having employees who have successfully completed a training program approved by the director or the United States Department of Agriculture, conducted by private organizations or state government officials, in the inspection for and treatment of gypsy moth; and the inspection and any treatment was performed, and the certificate issued by, one of those employees.

(3) Any certificate issued by a private enterprise shall contain the information required in WAC 16-470-050(1): Provided, That the statement relating to treatment at origin in WAC 16-470-050 (1)(c) shall verify that the articles and commodities were treated at origin by an employee who has successfully completed an approved training program in the inspection for and treatment of gypsy moth; and the signature required in WAC 16-470-050 (1)(d), shall be that of the employee issuing the certificate.

(4) The certificate required in WAC 16-470-050(1) shall be securely attached to the outside of the container containing the articles or commodities, or securely attached to the article or commodity itself if not in a container, or securely attached to the consignee's copy of the weighbill or other shipping document.

(5) Any article or commodity covered in WAC 16-470-030 which originated in the area under quarantine and is not accompanied by the certificate required may:

(a) Enter Washington, if, in the determination of the department, the article or commodity is:

(i) Cleaned or treated to destroy gypsy moth at the point of entry; or

(ii) Cleaned or treated to destroy gypsy moth in the county of destination, under the supervision of the department, prior to release of the article or commodity. Any shipment containing articles or commodities to be cleaned or treated in the county of destination shall be sealed at point of entry or origin and held under quarantine in that county until the treatment or cleaning is to occur.

(b) Be refused entry in Washington, if, in the opinion of the department inspector that:

(i) Cleaning or treatment to destroy gypsy moth at the point of entry would interfere with the movement of interstate commerce; and/or

(ii) Cleaning or treatment to destroy gypsy moth in the county of destination presents a high risk of dissemination of gypsy moth during transit or it is not possible to effectively clean or treat due to lack of facilities and/or needed equipment or lack of personnel in that county.

(c) Expense of cleaning or treatment of articles and commodities for gypsy moth at point of arrival in Washington state, or in the county of destination shall be the responsibility of the person in possession of the articles and commodities or the consignee in the case of commercial shipment by common carrier of household goods.

(6) No certificate is required for movement into Washington of articles and commodities covered in WAC 16-470-030 that originated outside an area under quarantine when the point of origin is clearly indicated, their identify has been maintained and they have been safeguarded against infestation by gypsy moth while in the area under quarantine.