Title 15, Chapter 12, Section 68
(a) The following oath shall be administered to witnesses in
criminal cases before the grand jury:
"Do you solemnly swear or affirm that the evidence you shall give
the grand jury on this bill of indictment or presentment shall be
the truth, the whole truth, and nothing but the truth? So help
(b) Any oath given that substantially complies with the language in this Code section shall subject the witness to the provisions of Code Section 16-10-70.