26 CFR §1.6033-4 — -4 Required filing in electronic form for returns by organizations required to file returns under section 6033.

1. (a)In general. The return of an organization that is required to be filed in electronic form under § 301.6033-4 of this chapter must be filed in accordance with IRS revenue procedures, publications, forms, instructions, or other guidance.
2. (b)Applicability date. The rules of this section apply for returns required to be filed for taxable years ending on or after February 23, 2023.