Tex. R. Evid. 107
As amended through November 19, 2024
If a party introduces part of an act, declaration, conversation, writing, or recorded statement, an adverse party may inquire into any other part on the same subject. An adverse party may also introduce any other act, declaration, conversation, writing, or recorded statement that is necessary to explain or allow the trier of fact to fully understand the part offered by the opponent. "Writing or recorded statement" includes a deposition.
Tex. R. Evid. 107