§ 1232

It is no defense to a prosecution for perjury that: (1) The accused was not competent under the relevant rules of evidence to make the false statement alleged; or (2) The accused mistakenly believed the false statement to be immaterial; or (3) The oath was administered or taken in an irregular manner; or (4) A document purporting to be made upon oath and uttered or published as so made by the accused was not in fact made under oath; or (5) The court in which the acts constituting the offense were committed lacked jurisdiction over the person of the accused or over the subject matter.11 Del. C. 1953, § 1232; 58 Del. Laws, c. 497, § 1;