The scheme gives exporters duty free access to 27 EU countries.
It gives exporters an edge over rivals from countries like China who must pay high import duty, he told a workshop on using tariff preferences.
Under GSP Plus, the EU offered Sri Lanka zero duty concessions for 7,200 products.
The EU trading system has some 3,300 'sensitive products' on which import duty is somewhat high, Perera said.
This includes fisheries products on which usual import duty is around 21-26 percent.
"If imported from Sri Lanka and it meets the rules of origin criteria, it can be imported with zero duty," Perera said.
"When exporters obtain a certificate of origin from the Commerce department, it is like a blank cheque, given by the department an