US Substantial Presence / Closer Connection Helper
Track travel days, compute the 3‑year weighted total, and see if Form 8840 is likely needed.
1) People & trips
People
Add person
Add
Arrival (in US)
📅
Departure (from US)
📅
Description
People on this trip
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None
Add trip
2) Choose the analysis year
Analysis year
Calculate
IRS 3‑year weighting:
Current = 1×
Year −1 = 1⁄3×
Year −2 = 1⁄6×
. SPT if
≥ 31
in current year
and
weighted
≥ 183
.
3) Trips
#
Arrival
Departure
Days
People
Description
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Results (per person)