The French National Ministry of Education and France Education International (former CIEP, International Centre fir Educational Studies) award official the French language qualifications: DELF (Diplôme d'Etudes de Langue Française) and DALF (Diplôme Approfondi de Langue Frnaçaise), internationally recognized and valid for an unlimited period.
These degrees proves your level in the receptive (reading, listening) and the productive (writing, speaking) skills provided by the The Common European Framework of References for Languages (CEFRL), for each of the 6 levels (A1, A2, B1, B2, C1 and C2).
The six diplomas are completly independent, so that you may directly register for the examination of your choice, according to your level. Notice, that you may take several diplomas during the same session.
The examinations can be taken in approved examination centres throughout the world, including France. (See the detailed list on France Education International).