Witness indemnified

Any person who being concerned in gambling contrary to this Act, and who is examined as a witness during the trial of any person for any offence under this Act, and who, upon such examination, in the opinion of the Court, makes true and faithful discovery, to the best of his knowledge, of all things as to which he was so examined shall thereupon receive from the said Court, a certificate in writing to that effect and shall be indemnified under this Act for anything done before that time in respect of such gambling.