Categories Laws and Regulations The Law of Petroleum and Petrochemical Materials Post author By Decree Post date 11 January 2025 You do not have access to view this content. Please note that the login details of Decree Oman are not linked to Decree Saudi. Username or E-mail Password Remember Me Forgot Password ← Royal Decree D/140 Amending the Traffic Law → Royal Decree D/139 Approving the Law of Petroleum and Petrochemical Materials