5932 - Witness competent to testify against interest; to become competent upon release of interest.

     § 5932.  Witness competent to testify against interest; to                become competent upon release of interest.        Any person who is incompetent under section 5930 (relating to     surviving party as witness, in case of death, mental incapacity,     etc.) by reason of interest may nevertheless be called to     testify against his own interest, and in that event he shall     become a fully competent witness for either party. Such person     shall also become fully competent for either party by filing of     record a release or extinguishment of his interest.