In any prosecution under KRS 432.510, no witness shall be excused from testifying on the ground that his testimony may incriminate himself. But, no such testimony shall be used against him in any prosecution except for perjury, and he shall be discharged from all liability for any violation of KRS 432.510 necessarily disclosed in his testimony.
KRS 432.520
Recodified 1942 Ky. Acts ch. 208, sec. 1, effective10/1/1942, from Ky. Stat. sec. 1241a-7.