Notice 2026-46 TABLE 1

GNP IMPLICIT PRICE DEFLATORS 2002 110.63 (used for 2003) 2003 105.67 (used for 2004)**** 2004 108.23 (used for 2005) 2005 112.129 (used for 2006) 2006 116.036 (used for 2007) 2007 119.656 (used for 2008) 2008 122.407 (used for 2009) 2009 109.764 (used for 2010)***** 2010 110.654 (used for 2011) 2011 113.347 (used for 2012)****** 2012 115.387 (used for 2013) 2013 106.710 (used for 2014)******* 2014 108.407 (used for 2015)******** 2015 109.868 (used for 2016) 2016 111.528 (used for 2017) 2017 113.500 (used for 2018) 2018 110.308 (used for 2019)********* 2019 112.257 (used for 2020) 2020 113.586 (used for 2021) 2021 118.586 (used for 2022)********** 2022 127.194 (used for 2023) 2023 122.179 (used for 2024)*********** 2024 125.139 (used for 2025) 2025 128.888 (used for 2026)

• Beginning in 1995, the GNP implicit price deflator was rebased relative to 1992. The 1990 GNP implicit price deflator used to compute the 1996 § 43 inflation adjustment factor is 93.6. ** Beginning in 1997, two digits follow the decimal point in the GNP implicit price deflator. The 1990 GNP price deflator used to compute the 1998 § 43 inflation adjustment factor is 93.63. *** Beginning in 1999, the GNP implicit price deflator was rebased relative to 1996. The 1990 GNP implicit price deflator used to compute the 2000 § 43 inflation adjustment factor is 86.53. **** Beginning in 2003, the GNP implicit price deflator was rebased, and the 1990 GNP implicit price deflator used to compute the 2004 § 43 inflation adjustment factor is 81.589. ***** Beginning in 2009, the GNP implicit price deflator was rebased, and the 1990 GNP implicit price deflator used to compute the 2010 § 43 inflation adjustment factor is 72.199. ****** Beginning in 2011, the 1990 GNP implicit price deflator used to compute the 2012 § 43 inflation adjustment factor is 72.260. ******* Beginning in 2013, the GNP implicit price deflator was rebased, and the 1990 GNP implicit price deflator used to compute the 2014 § 43 inflation adjustment factor is 66.803. ******** Beginning in 2014, the 1990 GNP implicit price deflator used to compute the 2015 § 43 inflation adjustment factor is 66.732. ********* Beginning in 2018, the 1990 GNP implicit price deflator used to compute the 2019 § 43 inflation adjustment factor is 63.637. ********** Beginning in 2021, the 1990 GNP implicit price deflator used to compute the 2022 § 43 inflation adjustment factor is 63.604. *********** Beginning in 2023, the 1990 GNP implicit price deflator used to compute the 2024 § 43 inflation adjustment factor is 59.266.

Bulletin No. 2026–35 183 August 24, 2026

Table 2 contains the inflation adjustment factor and the phase-out amount for taxable years beginning in calendar year 2026 as well as the previously published inflation adjustment factors and phase-out amounts for taxable years beginning in calendar years 1991 through 2025.