Yes. The Consolidated Appropriations Act, 2021, created a one-year opportunity. Use the prior year’s income if it results in a larger earned income tax credit. But don’t if it results in reducing or barring the credit.
A portion of earnings withheld by an employer or put into a retirement plan for distribution to the employee at a later date. If certain legal requirements are met, the deferred amount is not taxable until actually paid, for example, after retirement.