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Plain-text accounting insights, tutorials, and updates from the Beancount.io team.

Form 706 Portability and the DSUE: How Surviving Spouses Inherit Up to $30 Million of Federal Estate Tax Exemption

Filing IRS Form 706 to elect portability lets a surviving spouse inherit up to $15 million of unused federal estate tax exemption (the DSUE), shielding combined estates of up to $30 million from the 40% federal estate tax in 2026. Miss the nine-month deadline and Rev. Proc. 2022-32 still allows a late election within five years of death.

Cost Segregation Studies: Reclassifying Building Components Into 5, 7, and 15-Year Lives for Front-Loaded Tax Savings

A cost segregation study uses engineering-based analysis to move 20–45% of a building's basis from 27.5- or 39-year straight-line into 5, 7, and 15-year MACRS classes. Combined with the 100% bonus depreciation permanently restored by the One Big Beautiful Bill Act for property placed in service after January 19, 2025, real estate investors can convert a routine $91,000 first-year deduction into roughly $766,000 — provided they clear IRC §469 passive activity loss limits via real estate professional status, the short-term rental rule, or passive income offsets.