; multiplied by (ii) the respective exchange value of each such chlorofluorocarbon. (3) Exchange values For purposes of paragraphs (1) and (2), the following exchange values for hydrochlorofluorocarbons and chlo­ro­fluo­ro­car­bons respectively shall apply: Table 2 Chemical Name Common Name Exchange Value CHFCl 2 HCFC-21 151 CHF 2 Cl HCFC-22 1810 C 2 HF 3 Cl 2 HCFC-123 77 C 2 HF 4 Cl HCFC-124 609 CH 3 CFCl 2 HCFC-141b 725 CH 3 CF 2 Cl HCFC-142b 2310 CF 3 CF 2 CHCl 2 HCFC-225ca 122 CF 2 ClCF 2 CHClF HCFC-225cb 595 Table 3 Chemical Name Common Name Exchange Value CFCl 3 CFC-11 4750 CF 2 Cl 2 CFC-12 10900 C 2 F 3 Cl 3 CFC-113 6130 C 2 F 4 Cl 2 CFC-114 10000 C 2 F 5 Cl CFC-115 7370 (b) Allowances (1) Framework regulations The Administrator shall, by regulation, establish an allowance allocation and trading program to phase down the production and the consumption of regulated substances in accordance with this section. Not later than 270 days after the date of enactment of this Act, the Administrator shall promulgate such final regulations as may be necessary to establish the program required by the preceding sentence. (2) Allocations Not later than October 1 of each calendar year following the promulgation of final regulations pursuant to the second sentence of paragraph (1): (A) The Administrator shall establish a quantity of production allowances and a quantity of consumption allowances. The quantities established pursuant to this paragraph shall not exceed the applicable percentages of the production baseline and of the consumption baseline for the calendar year involved as specified in the following table 4: Table 4 Calendar year Percentage of Production Baseline Percentage of Consumption Baseline through 2023 90% 90% 2024 through 2028 60% 60% 2029 through 2033 30% 30% 2034 through 2035 20% 20% 2036 and subsequent years 15% 15% (B) The Administrator shall, by regulation, allocate such production allowances and consumption allowances up to the quantities of such allowances established pursuant to this paragraph