KEY TAKEAWAYS An IRS watchdog organization warned that taxpayers who struggle to navigate tax law changes may face delays this filing season.Changes to the tax law and the introduction of new tax breaks from the "One Big, Beautiful Bill" Act are expected to lead to more errors in tax returns and calls to the IRS customer service.Yet, with the tax agency's significant layoffs and numerous leadership changes in 2025, IRS agents may be overwhelmed. Changes in tax law and significant layoffs at the IRS may r ...