The court may, and upon objection shall, exclude testimony in the form of an opinion that is based in whole or in significant part on matter that is not a proper basis for such an opinion. In such case, the witness may, if there remains a proper basis for his opinion, then state his opinion after excluding from consideration the matter determined to be improper.

(Enacted by Stats. 1965, Ch. 299.)

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Terms Used In California Evidence Code 803

  • State: means the State of California, unless applied to the different parts of the United States. See California Evidence Code 220
  • Testimony: Evidence presented orally by witnesses during trials or before grand juries.