| No | Subject | |
| 1 | Decision No. (1) for 2020 concerning the prequalification of suppliers and contractors | |
| 2 | Decision No. (1) for 2017 Concerning fees for purchasing tender documents and the value of prequalification documents | |
| 3 | Decision No. (1) for 2015 concerning the tender procedures | |
| 4 | Decision No. (1) for 2010 concerning the criteria for the comparison of bids | |
| 5 | Decision No. (3).. for 2004 Concerning the rerms and conditions for bid bonds and performance bonds | |