. "nt of any claim against the United States, the state, or any officer thereof: (A) Makes or uses any writing or other paper knowing it to contain any false or fraudulent statements; (B) makes any oath to any fact or to any writing or other paper knowing the oath to be false, or (C) forges or counterfeits any signature upon any writing or other paper, or uses any such signature knowing it to be forg" . . .