Required Distributions End The Deferral Eventually

Tax deferral in a retirement account is not permanent. Federal rules require withdrawals to begin at a specified age, and the amount is determined by formula rather than by need.

Why the requirement exists

Contributions to traditional retirement accounts generally reduced taxable income when made, and growth inside the account is untaxed while it remains there.

The arrangement defers tax rather than eliminating it. Required distributions are the mechanism that ensures the deferred amount is eventually taxed.

Without them, a balance could pass through a lifetime and beyond without the deferral ever ending, which is not what the rules contemplate.

How the amount is calculated

The calculation divides the account balance as of the end of the prior year by a life expectancy factor published in tables.

Because the factor shrinks with age, the required proportion of the balance rises each year, though the dollar amount depends on how the balance performed.

Separate tables apply in certain situations, including where a spouse who is substantially younger is the sole beneficiary.

Which accounts are covered

Traditional individual accounts and most employer plan balances fall within the requirement. Roth individual accounts do not require distributions during the owner's lifetime.

Treatment of Roth balances inside employer plans has been changed by recent legislation, which is an example of why current rules rather than remembered ones matter here.

Some plans permit deferral past the usual age for a participant still working for that employer, subject to conditions and to the plan's own terms.

Aggregation rules differ by account type

Amounts required from multiple individual retirement accounts may generally be calculated separately and then taken from any of them in total.

Employer plan balances do not work that way. Each plan generally requires its own distribution to be taken from that plan.

Getting this wrong is a common error, and the penalty for taking less than required, while reduced by recent legislation, remains meaningful.

Inherited accounts follow their own regime

Beneficiaries who inherit retirement accounts are subject to a separate set of rules that were substantially rewritten by legislation in recent years.

Many non-spouse beneficiaries now face a defined period within which the account must be emptied, with additional annual requirements in some circumstances.

Guidance in this area has been issued, revised and delayed repeatedly, which makes it one of the clearest cases for professional advice rather than general reading.