Submitted by jamesm on Mon, 03/02/2020 - 13:55 Feb 15th - Exempt IRS Forms W-4 expire. Begin withholding using the last valid W-4 (non-exempt), or Step 1.c. Single or Married Filing Separately. Processor: PayrollTransaction Code: Withholding Info W4/W5 US - Copy and Update RecordPeriod: February
