In order to increase participation of domestic as well as foreign investors in mineral exploration in Indonesia, the Directorate General of Mine has issued a circular No. 560/861/DJP/1995 dated 29 March 1995 in terms of new tariffs on security deposits for mineral and coal contract of work. The circular principally involves delivery time of security deposit, the form of security deposit, expenditure time of security deposit, and the amount of security deposit spent by the company. A detailed explanation is recounted below.