Decision No. 51/2003/QD-BTC dated April 15, 2003 of Ministry of Finance amending and supplementing a number of articles of the Regulation on securities custody, clearing and registration, issued together with Decision No. 05/1999/QD-UBCK3 dated March 27, 1999 and Decision No. 43/2000/QD-UBCK3 dated June 14, 2000 of the Chairman of the State Securities Commission