26 USC 1373 - Foreign income
(a) S corporation treated as partnership, etc.
For purposes of subparts A and F of part III, and part V, of subchapter N (relating to income from sources without the United States)
For purposes of subparts A and F of part III, and part V, of subchapter N (relating to income from sources without the United States)
(1) an S corporation shall be treated as a partnership, and
(2) the shareholders of such corporation shall be treated as partners of such partnership.