Law of 22 May 2009 creating
a) a National Institute of Languages.
b) the function of Luxembourg language teacher.
Grand-Ducal regulation of 27 June 2018 fixing the amount of the registration fees for the courses organised by the National Institute of Languages.
Grand-Ducal regulation of 6 November 2009 determining the organisation of the training leading to the “Zertifikat Lëtzebuerger Sprooch a Kultur”..
Grand-Ducal regulation of 28 April 2017 determining the operating procedures of the advisory committee of the National Language Institute
Grand-Ducal Regulation of 6 April 1999 determining the pedagogical and administrative organisation of the Centre de langues Luxembourg