LAW N°57/2011 OF 31/12/2011 MODIFYING AND COMPLEMENTING LAW N° 26/2006 OF 27/05/2006 DETERMINING AND ESTABLISHING CONSUMPTION TAX ON SOME IMPORTED AND LOCALLY MANUFACTURED PRODUCTS AS MODIFIED AND COMPLEMENTED TO DATE — 57/2011 OF 31/12/2011 | Ubutabera AI | Ubutabera AI