Section 283
SEC. 283. When part of act, declaration, or writing given in evidence, the remainder available to opposite party. — When part of an act, declaration, conversation, or writing is given in evidence by one party, the whole of the same subject may be inquired into by the other, and when a detached act, declaration, conversation, or writing is given in evidence, any other act, declaration, conversation, or writing which is necessary to make it understood, may also be given in evidence.