What are the differences between certificate of origin and GSP Certificate of Origin Form A?

Certificate of origin is a generic name of an international shipping document, which is used to identify the origin of goods that is subject to foreign trade business. 

There are various types of certificates of origin in circulation. The most frequently used one is known as ordinary certificate of origin or simply "certificate of origin".

GSP Certificate of Origin Form A is a special type of certificate of origin, that can be grouped under "preferential certificates of origin".

Today on this article I would like to mention the differences between ordinary certificates of origin and GSP certificate of origin Form A.