There are some certificates required by some countries to import seeds from out side. Mainely are "PSC" and "COO". They are available to the buyers, if they made specific fee for it. Details are being given below:-
Certificate Of Origin (COO)
A Certificate of Origin (often abbreviated to CO or COO) is a document used in international trade. It is a printed form, completed by the exporter or its agent and certified by an issuing body, attesting that the goods in a particular export shipment have been wholly produced, manufactured or processed in a particular country.
PhytoSanitary Certificate (PSC)
A Phytosanitary certificate is a certificate stating that a specific crop was inspected and a specified disease was not found or stating that a specific disease does not occur in the area of production.
Phytosanitary certificate contains information about the conditions to export plants and plant products, which includes fruits, vegetables, cut flowers, seeds and grains.
The Phytosanitary certificate is a document issued by the plant quarantine office in the country of origin declaring that the crop is free from pests and disease.
However not all countries require a Phytosanitary certificate.
(+) Why I need the PSC