... and in December 2020 extended its availability through 2021 and increased the cap to $600 for joint filers. ... before collapsing once the deduction expired at the end of 2021. Current Legislation - 118th Congress On March 1, 2023, ... extension – for taxable years 2023 and 2024 (versus 2021, 2022 in the old bill) Updated effective date – after ...