deregulation clauseglossary / DEREGULATION CLAUSE deregulation clause. Oil & gas. A gas-contract provision specifying how the price of gas will be calculated and what the buyer’s and seller’s obligations will be if regulated natural gas becomes deregulated. 词条贡献者 双语律师Nanda,国际知名法学院国际法专业,擅长翻译各类与生物医学诉讼相关的法律文件。