The Social Security Fairness Act will provide benefit increases to more than 3 million individuals. But it's uncertain when they will see that money.

Social Security beneficiaries who stood to see a boost in payouts as the result of a law approved earlier this month may have to wait a little longer than expected for higher payments.

The Social Security Fairness Act repeals two provisions that will give qualifying individuals more money and potential back payments. Here's what you should know.