How it works
A SEPP plan — Section 72(t)(2)'s substantially equal periodic payments — is one of the few doors out of an IRA before 59½ without the 10% early-withdrawal penalty. You pick one of three calculation methods and then must withdraw the SAME dollar amount every year for the longer of five years or reaching 59½, whichever comes later; a 52-year-old locks in until 59½, about seven and a half years of identical deposits. Amortization divides the balance by an annuity-style factor and typically pays the most; annuitization uses a mortality-table stand-in; the RMD-style method divides by a life-expectancy divisor and pays far less, which makes it the easiest to sustain. The trap is modification: take one extra withdrawal or miss one and the penalty applies RETROACTIVELY to every distribution since inception, plus interest. This planner compares methods side by side, projects the balance under fixed payments, and flags whether your stated need fits inside the allowed figure. Payment math here is closed-form approximation for education — official filings use the IRS published tables and rates.
Formula
Amortization: pay = balance × r ÷ (1 − (1+r)^−n) | Annuitization: pay = balance ÷ annuity factor | RMD: pay = balance ÷ divisor
Tips
- Choose the smallest payment that meets your need — smaller plans break less easily.
- Split the IRA first: a dedicated SEPP account isolates the locked money from everything else.
- Remember the lock lasts past five years until 59½ — count the real number of years.
- Never pause, skip or add withdrawals mid-plan; retroactive penalties reach every prior year.
- Confirm current IRS rates and tables before filing — this sketch uses approximations.
Frequently asked questions
- How is the SEPP payment amount calculated?
- Three IRS-approved methods exist. Amortization treats the balance like a loan paid over life expectancy at a reasonable rate — on $500,000 over 30 years near 5%, roughly $32,600 annually. Annuitization divides by a mortality factor; RMD-style divides by a divisor and pays least.
- How long must a 72(t) plan run?
- The longer of five years or turning 59½. Start at 52 and payments run about seven and a half years; start at 55 and five flat years apply. Stop early — even once — and the 10% penalty plus interest applies retroactively to every distribution taken.
- Which 72(t) method should I pick?
- Whichever covers your need with the least strain. Amortization on $500,000 pays about $32,600 yearly; RMD-style often pays roughly half of that. Many planners split the IRA first and run a small, survivable plan rather than locking the entire balance at the higher figure.
- Can I modify or stop a SEPP plan early?
- Only in narrow cases — death, disability, or a one-time IRS-sanctioned switch TO the RMD method. Anything else counts as modification, triggering the 10% penalty retroactively on all distributions plus interest, which on seven years of $30,000 payments approaches $21,000 plus charges.
- Does a SEPP plan avoid income tax too?
- No — only the 10% penalty is waived. Every distribution is still ordinary income in the year received, which on a $32,600 payment adds a real tax bill; the bracket-filling question matters just as much as the penalty question when designing the plan.