No person shall be excused from testifying for the Commonwealth as to any offense committed by another under this subtitle by reason of his testimony tending to incriminate him. The testimony given by such person on behalf of the Commonwealth when called as a witness for the prosecution shall not be used against him and he shall not be prosecuted for the offense to which he testifies.\nCode 1950, § 4-94; 1993, c. 866.
Virginia Legal Code