Sales & Use (OS-114)
2026-09-30 00:00 - 23:59, 2026-11-02 00:00 - 23:59, 2026-11-30 00:00 - 23:59, 2026-12-31 00:00 - 23:59 (America/New_York)

Individual Income (CT-1040)
2026-10-15 00:00 - 23:59

Individual Income (CT-1040NR/PY)
2026-10-15 00:00 - 23:59

Employment (CT-941)
2026-11-02 00:00 - 23:59

Employment (UC-5A/UC-2)
2026-11-02 00:00 - 23:59

Corporate Income/Franchise (CT-1120)
2026-11-16 00:00 - 23:59

Corporate Income/Franchise (CT-1120 ESD)
2026-12-15 00:00 - 23:59
