IRS deadline
noun[C]
USukusTAX
adateby which something must be doneaccordingto theIRS, usually thedateby which ataxreturn(=documentreportingincomesotaxescan becalculated)must besent:
Taxpayers areadvisedtofiletheirtaxesby theApril15IRSdeadline.
AnimportantIRSdeadlineisfastapproachingforemployers.