Miss This Deadline by One Day, Lose the Election Forever

The 83(b) election has a hard 30-day window, no extensions, no exceptions, and the IRS won't confirm you filed. This calculator shows your exact tax savings, plus a step-by-step filing checklist so a missed detail doesn't cost you the election.

What you get:

• A tax savings calculator with built-in NIIT and state tax logic, so you see your real bargain element and liability

• A 7-step filing checklist covering the exact language your election statement needs, and where to mail it

• The six most common mistakes that void an election, including the RSU trap and stale-valuation risk

• A plain-English glossary covering bargain element, cost basis, substantial risk of forfeiture, and more

• A breakdown of how filing affects your long-term capital gains clock and QSBS eligibility under Section 1202