2025 tax law changes The Tax Cuts and Jobs Act (TCJA)  passed in 2017 made significant, but temporary, changes to the tax code. Many of those provisions were scheduled to expire at the end of 2025. The One Big Beautiful Bill (OBBB) , passed in 2025, prevents a full rollback to 2017 tax law and introduces new updates for both individuals and businesses. While some changes apply retroactively to 2025, most take effect starting January 1, 2026.    Key Tax Law Changes for Indivi