The monthly reports herein required to be made are not required to be made on oath, but wherever in this part any report is required to be sworn to, the same shall be sworn to by the taxpayer or his or her agent before some officer authorized to administer oaths; and any false statement of a material fact or omission to state a material fact made with the intent to defraud shall constitute perjury, and upon conviction thereof the person so convicted shall be punishable as provided by law. (Act 98-657, p. 1440, §7.)