案情:1990年8月河北某县供销社与纺织机械厂签订了联营合同,合同约定供销社向纺织机械厂投资10万元,无论纺织机械厂盈亏,每年都向供销社提交利润三万元,合同期限为二年。合同届满后本金一次全部收回。至1992年纺织机械厂仅给供销社交了4万元,其余部分因亏损拒付。双方发生纠纷,协商不成,1993年12月供销社向当地法院起诉,请求纺织机械厂还本和利12万元。经人民法院审理,确认此份联营合同为无效合同。为什么这份联营的经济合同会被法院确认为无效经济合同了呢?主持人点评如下:首先,法院是根据《经济合同法第七条》,关于“违反法律和行政法规的合同”确认其无效。具体违反了什么法律呢?最高人民法院《关于审理联营合同纠纷案件若千问题的解答》中规定“企业法人、事业法 Case: August 1990 Hebei supply and marketing cooperatives and textile machinery factory signed a joint venture contract, the supply and marketing cooperatives agreed to invest 100000 yuan in textile machinery factory, regardless of profit and loss of textile machinery plant, the supply and marketing cooperatives every year to submit a profit of 30,000 yuan, The contract is for two years. After the expiration of the contract, the principal shall be fully recovered once. Textile Machinery Factory in 1992 only to social welfare for the supply of 40,000 yuan, the remaining part of the protest due to loss. In the event of a dispute between the two parties, the negotiation failed. In December 1993, the supply and marketing cooperatives filed a lawsuit in the local court and requested the Textile Machinery Plant to repay the principal and interest of 120,000 yuan. After being heard by the people’s court, the joint venture contract is confirmed as invalid. Why did the economic contract of the joint venture be recognized by the court as an invalid economic contract? The host commented as follows: First, the court confirmed that ”the contract of the economic contract law“ and ”contract violating laws and administrative regulations“ It is invalid. What specific violations of the law? The Supreme People’s Court ”on the trial of a number of issues related to the case of joint-venture contract disputes,“ the answer ”" enterprise legal person, business law