Since the first of January 2016, the institution is the fourth Operational Directorate (OD4) of the State Archives (see programme act of 26 December 2015 and royal order of 23 May 2016) . It is led by an operational director, who is supported by the specialised [Scientific Committee of the CegeSoma](http://www.cegesoma.be/docs/media/ComGestion_CommScient/AM8juill2011_MB19juillet2011_CommScient.pdf)