*Original certificate or its duplicate need to be legalised by:*
1) Polish consul in the country where certificate was issued or in the country in which educational system a school operates;
2) educational authorities in the country where a certificate was issued or in the country in which educational system a school operates;
3) an embassy or consulate of the country where certificate was issued or in the country in which educational system a school operates located in Poland or in other EU, EFTA or OECD country;
4) if a certificate was issued by a country – party to the Hague Convention of 5th October 1961 Abolishing the Requirement for Legalisation for Foreign Public Documents, an original certificate, its duplicate or a notarial copy with an Apostille placed on it or attached to any of those documents must be submitted.
On October 5, 1961 the several nations joined to create the simplified method of legalizing documents through the Hague Convention Abolishing the Requirement of Legalization for Foreign Public Documents
If your country accepts the Apostille (also called Apostille Certificate or Certificate) as a form of international document legalization your degree must be certified by *Designated Competent Authorities*