Social Security strategies: File and suspend

(MoneyWatch) In honor of the 77th anniversary of Social Security this month, I recently covered the variables to help you determine when to claim benefits. Beyond the basics, there is a great Social Security strategy that can help married couples, called "file and suspend".

Many people think of the decision to file for Social Security retirement benefits as an irrevocable one, but the government actually allows anyone to reconsider, as long as it's within one year of filing. If you change your mind, you need to notify the government and if the request is approved, you have to repay all the benefits you and your family received based on your retirement application. If you had enrolled in Medicare Part B, you will be billed for future Part B premiums.

You can change your mind within the one year window, no matter when you start benefits, at 62, 65, 66, etc. But you can only voluntarily suspend current or future retirement benefit payments ("file and suspend") if you have reached full retirement age, and are not yet age 70. File and suspend is a feature of the system can be useful for married couples, especially where one spouse has earned significantly more than the other spouse during their careers. In these cases, the lower earning spouse is usually better off claiming half of the spouse's benefit because it is higher than the individual benefit.

File and suspend allows the primary wage earner to apply for benefits, then suspend collecting, while allowing the other spouse to start collecting spousal benefits immediately and then continuing to collect. Here's the best part: the primary wage-earning spouse can wait to claim benefits until age 70, which increases the future individual Social Security benefit by eight percent each year between ages 66 and 70.

Here's an example of how file and suspend can work. Fred and his wife Ethel are both at full retirement age of 66, based on their birthdates. He is a still employed and she spent most of her life working in the home and, therefore, will be better off claiming half of his Social Security benefit than her own. His current benefit is $2,500 per month. Fred files for Social Security and then voluntarily suspends the actual payments. Helen then claims her spousal benefit of $1,250.

During the period that Fred has suspended, he will earn delayed retirement credits, which increase his Social Security retirement income by eight percent a year. By the time he refiles for his benefit at age 70, the age at which benefits top out, his payment has increased to $3,300 per month. The couple has now collected income of $1,250 per month for four years; increased their total income stream after age 70; and if Fred predeceases Ethel, she can give up her spousal benefit and begin to take his higher payment for the rest of her life.

File and suspend does not work for every couple. If spouses have earned similar amounts over their careers, the 50 percent spousal benefit might not add up to more money over the four years and it may be better for each to draw individual benefits. Additionally, the decision boils down to your particular circumstances. Some couples can't afford to delay claiming benefits, and the health of both spouses must be taken into account.

There is flexibility with file and suspend. You don't need to make the decision as soon as you reach full retirement age-you can choose it at any time until age 70. Additionally, if you have exercised file and suspend, but later decide that you want the income before you turn 70, you can reinstate your benefits.

Social Security can be confusing, but spending time either with free or paid calculators can help guide you through the process. If you work with a broker or an advisor, don't hesitate to ask him or her to crunch the numbers, or consider engaging an advisor or an accountant by the hour. The investment may be well worth it over the long run.

Distributed by Tribune Media Services, Inc.

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    Jill Schlesinger, CFP®, is the Emmy-nominated, Business Analyst for CBS News. She covers the economy, markets, investing and anything else with a dollar sign on TV, radio (including her nationally syndicated radio show), the web and her blog, "Jill on Money." Prior to her second career at CBS, Jill spent 14 years as the co-owner and Chief Investment Officer for an independent investment advisory firm. She began her career as a self-employed options trader on the Commodities Exchange of New York, following her graduation from Brown University.