Most of oil-producing countries abroad generally levy mineral royalty and determine their mineral royalty rates which are suitable for their own situation of oil and gas resources.
国外各主要产油国普遍征收矿区使用费，并确定适合本国油气资源状况的矿区使用费费率。
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Article 4. Royalty for both Crude Oil and Natural Gas shall be paid in kind.