((a)) ** General rule** For purposes of applying the provisions of this subtitle which relate to employee fringe benefits—

((1)) the S corporation shall be treated as a partnership, and

((2)) any 2-percent shareholder of the S corporation shall be treated as a partner of such partnership.

((b)) ** 2-percent shareholder defined** For purposes of this section, the term “2-percent shareholder” means any person who owns (or is considered as owning within the meaning of section 318) on any day during the taxable year of the S corporation more than 2 percent of the outstanding stock of such corporation or stock possessing more than 2 percent of the total combined voting power of all stock of such corporation.