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2018 Form IL-1120-ST - Small Business Corporation Replacement Tax Return 2018 Form IL-1120-ST Instructions 2018 Form IL-1120-ST-X - Amended Small BusinessRead more
John by the January 16, 2018 filing due date of JPTs 2016 Form IL-1120-ST. JPT must also keep copies of Schedules K-1-P and K-1-P(3)-FY available (as shownRead more