Missouri DOR Amends Income Tax Rule on Regulated Investment Companies

The Mississippi Department of Revenue (DOR) adopted amendments to the rule concerning regulated investment companies for corporate and individual income tax purposes. This regulation provides specific statutory references and alters a notice requirement to include electronic communications, among other changes. It also clarifies when a corporate or individual taxpayer may deduct or must add back income from a regulated investment company on its Missouri return. The regulation takes effect Nov. 30. [Mo. Dep’t of Revenue, Reg. 12 CSR 10-2.155, 10/01/25]