IRC § 351(e)(1)
No Investment Company Under Section 351(e)(1) — De Minimis Diversification
Where one transferor’s contribution of different securities is so small that it is disregarded, no diversification occurs and the section 351 exchange remains tax-free despite the investment-company rule.
Treas. Reg. § 1.351-1(c)(7), Example 1 • Transfers to Investment Companies