A securities company shall not let others use its accounts for proprietary account transactions.

证券公司不得将其自营账户借给他人使用。

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Article 137 a securities company must conduct its proprietary account transactions in its own name and shall not make use of the name of another entity or the name of a natural person.

第一百三十七条证券公司的自营业务必须以自己的名义进行，不得假借他人名义或者以个人名义进行。

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The Purchaser shall be able at all times to account for all copies of the Proprietary Software which are required to be made to permit its efficient use in its intended function.

买方必须能够随时汇报为有效发挥专有软件的设计功能而经请求获准复制的拷贝的情况。

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It is a conflict of interest which, outsiders argue, enables banks to make huge sums of money on their proprietary trading (dealing on their own account).

ECONOMIST: Investment banks

He joined Goldman Sachs in 2005 and worked there until his sacking, for building up "inappropriately large proprietary futures positions in a firm trading account", according to a filing with the Financial Industry Regulatory Authority (Finra).

BBC: Former Goldman Sachs trader pleads guilty to wire fraud

Goldman fired Mr. Taylor on Dec. 21, 2007, for "alleged conduct related to inappropriately large proprietary futures positions in a firm trading account, " the bank wrote in a filing submitted to the Financial Industry Regulatory Authority, which oversees broker-dealers.

WSJ: Ex-Goldman Trader Pleads Guilty to Fraud