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New in-plan conversions.

Although traditional 401(k) plans have become widespread, many employers are adding Roth 401(k) s to their employee benefits. The relationship between these two types of plans is similar to the relationship between traditional and Roth IRAs:

* Traditional 401(k)s are funded largely with pretax dollars. Withdrawals are fully or mostly subject to income tax.

* Roth 401(k)s are funded with after-tax dollars. Withdrawals are completely tax-free after you have had the account for 5 years and reach age 59/4.

New opportunity

Under the new tax law (see the CPA Client Bulletin for April 2013), you can convert your traditional 401(k) balance to a Roth 401(k). You can do so at any time, as long as your employer offers a Roth 401(k) and the plan documents permit such conversions. The same rules apply for conversions to employer sponsored Roth accounts if you participate in 403(b) or 457(b) plans. Moreover, the federal government's Thrift Savings Plan for federal employees may decide to permit in-plan conversions to its Roth version.

The tax code has allowed such conversions since 2010, but only for people eligible for distributions. That meant conversions generally were available only when a participant left the company, reached 59/, became disabled, died, or when the plan terminated without a similar substitute in place. The new tax law permits current participants to convert without having to meet any of those requirements.

Example 1: Arlene Baxter, age 32, works for ABC Corp., where she participates in a traditional 401(k) plan. ABC also offers a Roth 401(k); in-plan conversions are allowed. Arlene, who has $80,000 in her 401(k), can convert any or all of that $80,000 from her traditional 401(k) to a Roth 401(k).

As mentioned, Arlene creates an opportunity to receive tax-free cash flow in the future when she moves money into the Roth version. Once she reaches 59 1/2, Arlene will be beyond the 5-year mark so she can withdraw as much as she'd like without owing tax.


Arlene will pay a price for this future income stream. She'll owe income tax on all the pretax money she moves from her traditional 401(k) to the Roth 401(k). Assuming Arlene's traditional 401(k) is all pretax, she'll add $80,000 to her taxable income for 2013, if she executes a full conversion this year.

Balancing the brackets

Perhaps most important, you should compare your present tax rate to your estimated future tax rate. Ideally, you'll pay tax now at a relatively low tax rate, then take tax-free withdrawals at a time when your tax rate would have been much higher.

The catch, of course, is that converting a traditional 401(k) to a Roth 401(k) will increase your income and may push you into a higher tax bracket in the year of the conversion.

Example 2: Suppose Arlene Baxter is single and expects her taxable income this year, after deductions, to be around $75,000. In 2013, such income puts Arlene in the 25% federal tax bracket, which goes up to $87,850 of taxable income. If Arlene implements a full $80,000 conversion, she'll move into the 28% bracket for the year and owe the higher rate on most of her conversion.

Arlene may not want to pay that much in tax, considering she has no idea of what her income or the tax rates will be when she's age 59/. Therefore, Arlene decides to convert only $10,000 of her traditional 401(k) to a Roth 401(k) in 2013. She will stay in the 25% bracket, so the conversion will increase her tax bill by only $2,500 for the year: 25% of $10,000. Arlene is confident that she will be able to pay that tax without having to borrow from her 401(k) or tap her IRA.

You may decide that taking a series of partial conversions each year is a prudent way to build a tax-free retirement fund. However, the rules on Roth 401(k) plans are complex. For instance, such conversions are irrevocable, so they lack the flexibility of a Roth IRA conversion, which can be reversed. Our office can go over the outlook for an in-plan Roth conversion in your particular circumstances.

Trusted Advice

Conversion Caveats

* In-plan conversions to Roth 401(k) accounts (unlike Roth IRAs) can't be recharacterized. This decision is irrevocable, and so is the tax obligation you incur.

* The owner of a Roth IRA never has to take required minimum distributions (RMDs), but owners of employer-sponsored Roth 401(k) accounts do not have this advantage. A retired owner of a Roth 401(k) account must take RMDs from the account after age 70 1/2.

* To avoid RMDs, participants can roll their Roth 401(k) accounts to a Roth IRA. However, the period that the rolled-over funds were in the Roth 401(k) account does not count toward the 5-year period for determining qualified distributions from the Roth IRA.
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Publication:CPA Client Bulletin
Date:May 1, 2013
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