505 ILCS 90/17

Any owner of florist's stock which he wishes to ship into another state or country, may apply to the Department for an inspection of the same with reference to the presence of insect pests or diseases likely to prevent the acceptance of such plants in such state or country, and upon receipt of such application, or as soon thereafter as may be conveniently practicable, the Department shall comply with such request, and it shall issue to the applicant a certificate to the facts disclosed.