A Decree of the President of the Arab Republic of Egypt Number 449 for the Year 1987
Decree 124 for the Year 1986
A Ministerial Decree Number 2 for the Year 1989
Decree 14867 for the Year 1991
A Ministerial Decree 72 for the Year 1993
Decree number 14900 for the Year 1995
Ministerial Decree number 402 for the year 1996
