((a)) ** Self-employment tax and tax on wages** In the case of the tax imposed by chapter 2 (relating to tax on self-employment income) and the tax imposed by section 3101 (relating to tax on employees under the Federal Insurance Contributions Act)—

((1)) If an amount is erroneously treated as self-employment income, or if an amount is erroneously treated as wages, and

((2)) If the correction of the error would require an assessment of one such tax and the refund or credit of the other tax, and

((3)) If at any time the correction of the error is authorized as to one such tax but is prevented as to the other tax by any law or rule of law (other than section 7122, relating to compromises),

((b)) ** Definitions** For purposes of subsection (a), the terms “self-employment income” and “wages” shall have the same meaning as when used in section 1402(b).