For rules with respect to charitable contribution deductions for nonitemizing taxpayers, see section 63 (b)(1)(C) and (i) and section 170(i) of the Internal Revenue Code of 1954.
26 C.F.R. §1.63-2
Secs. 170(a)(1) and 7805 of the Internal Revenue Code of 1954 (68A Stat. 58, 26 U.S.C. 170(a)(1) ; 68A Stat. 917, 26 U.S.C. 7805