26 CFR § 1.681(b)-1 — (b)-1 Cross reference.

For disallowance of certain charitable, etc., deductions otherwise allowable under section 642(c), see sections 508(d) and 4948(c)(4). See also 26 CFR 1.681(b)-1 and 1.681(c)-1 (rev. as of Apr. 1, 1974) for provisions applying before January 1, 1970.