Apostille Certification An "Apostille" is required before certain United Kingdom documents can be used overseas. It is usually required where overseas officials are not able to determine on first hand the authenticity of documents United Kingdom documents.Also an "Apostille" is a form of authentication issued to documents for use in countries that participate in the Hague Convention of 1961. EAC provides an apostille and authentication service to UK. citizens and foreign nationals on documents that will be used overseas. Types of documents include corporate documents such as Certificates of Incorporation, Memorandum & Articles of Association, Power of Attorney, Diplomas, transcripts, Letters relating to degrees, Marriage Certificates, References and job certifications, Home studies, Deeds of assignments, Distributorship agreements, etc. PLEASE SEND YOUR DOCUMENTS BY REGISTERED POST The whole process usually takes around 3 to 5 days.