§ 382. Assessment of net income taxes
(a)
Limitations
No State, or political subdivision thereof, shall have power to assess, after September 14, 1959, any net income tax which was imposed by such State or political subdivision, as the case may be, for any taxable year ending on or before such date, on the income derived within such State by any person from interstate commerce, if the imposition of such tax for a taxable year ending after such date is prohibited by section
381 of this title.
(b)
Collections
The provisions of subsection (a) of this section shall not be construed—