For taxable years beginning in 2025 and beyond, the One Big Beautiful Bill Act (OBBBA) permanently installs more favorable rules for determining how much business interest expense can be currently deducted.

This analysis explains the favorable changes and briefly summarizes the rest of the story about how the business interest expense limitation rules work.

Business Interest Expense Deduction Limitation Basics

When we say “the taxpayer,” we mean whoever pays interest expense connected with business activities. That taxpayer could be you or ... Log in to view full article.