(1) For purposes of this section and 1.4212 through 1.4241, the term option means the right or privilege of an individual to purchase stock from a corporation by virtue of an offer of the corporation continuing for a stated period of time, whether or not irrevocable, to sell such stock at a price determined under paragraph (e) of this section, such individual being under no obligation to purchase. The individual who has such right or privilege is referred to as the optionee and the corporation offering to sell stock under such an arrangement is referred to as the optionor. While no particular form of words is necessary, the option must express, among other things, an offer to sell at the option price, the maximum number of shares purchasable under the option, and the period of time during which the offer remains open. The term option includes a warrant that meets the requirements of this paragraph (a)(1).


26 CFR § 1.421-1

Scoping language

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