In the presence of the Custodian of the two Holy Mosques King Abdullah bin Abdulaziz and Turkish President Abdullah Gul, an agreement for avoiding dual taxation and tax evasion on income tax was signed here on Friday evening. On the Saudi side the agreement was signed by minister of finance Dr Ibrahim al-Assaf and on the Turkish side by foreign minister Ali Babacan. The function was attended by the King's accompanying delegation and a number of senior Turkish officials.