; authorization The Administrator may, by regulation, allocate to a person additional production allowances or consumption allowances to authorize the production or consumption, respectively, beginning with calendar year 2034, for a period of up to 5 years, of a regulated substance in an amount up to 10 percent of the quantity of production or consumption of such regulated substance contributed by such person to the production baseline or the consumption baseline, as applicable, if the Administrator finds, based on a petition by such person, that— (A) such excess production or consumption is exclusively for an application with respect to which no substitute is available during such period, considering technological achievability, commercial demands, safety, and other relevant factors