Originally Posted by
full of luv
Wow so the IRS allows them (SWA) as late as feb to go back and put money in your 2016 401k.... that's pretty unique, I've never heard of a company doing that but I'm also not a cpa.
Any 401(k) sponsor can put prior-year money into an employee's account until April 15, up to the allowable limit. (Longer if the employee files an extension.) However, the last date for employee contributions is Dec 31 of the plan year.
(Mostly useless cocktail trivia, but hey, "The more you know.")