(a) Scope. This section provides rules for the application of the $1 million deduction limit under section 162(m) of the Internal Revenue Code. Paragraph (b) of this section provides the general rule limiting deductions under section 162(m). Paragraph (c) of this section provides definitions of generally applicable terms. Paragraph (d) of this section provides an exception from the deduction limit for compensation payable on a commission basis. Paragraph (e) of this section provides an exception for qualified performance-based compensation. Paragraphs (f) and (g) of this section provide special rules for corporations that become publicly held corporations and payments that are subject to section 280G, respectively. Paragraph (h) of this section provides transition rules, including the rules for contracts that are grandfathered and not subject to section 162(m). Paragraph (j) of this section contains the effective date provisions. For rules concerning the deductibility of compensation for services that are not covered by section 162(m) and this section, see section 162(a)(1) and §1.162–7. This section is not determinative as to whether compensation meets the requirements of section 162(a)(1).