With respect to a non-lawyer employed or retained by or associated with a lawyer:
Tex. Disc. R. Prof. Cond. 5.03
Comment:
1. Lawyers generally employ assistants in their practice, including secretaries, investigators, law student interns, and paraprofessionals. Such assistants act for the lawyer in rendition of the lawyer's professional services. A lawyer should give such assistants appropriate instruction and supervision concerning the ethical aspects of their employment, particularly regarding the obligation not to disclose information relating to representation of the client, and should be responsible for their work product. The measures employed in supervising non-lawyers should take account of the fact that they do not have legal training and are not subject to professional discipline.
2. Each lawyer in a position of authority in a law firm or in a government agency should make reasonable efforts to ensure that the organization has in effect measures giving reasonable assurance that the conduct of nonlawyers employed or retained by or associated with the firm or legal department is compatible with the professional obligations of the lawyer. This ethical obligation includes lawyers having supervisory authority or intermediate managerial responsibilities in the law department of any enterprise or government agency.
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