Travel Day Workpaper Guide for Nonresident Founders (2025-2026)
Nonresident return flow (Form 1040-NR)
How a nonresident individual reports U.S.-source income to the IRS.
Classify the income
Effectively connected (ECI) vs. fixed/determinable (FDAP).
Gather U.S.-source documents
1042-S, K-1, or other statements of U.S. income.
Prepare Form 1040-NR
ECI on the main form; FDAP on Schedule NEC.
File and reconcile withholding
Credit amounts already withheld at source.
Key Takeaways
- A strong travel workpaper supports more than one international tax issue at once.
- Location and business activity should both be tracked.
- Trip logs are strongest when updated during the year.
- Founders should treat the calendar as a tax record, not only a planning tool.
The travel calendar is doing more tax work than founders realize
For a nonresident founder, one travel log can support sourcing, substantial presence, treaty, and service-performance analysis at the same time. That makes it more valuable than many formal tax forms. Yet it is often the first thing founders leave to memory.
A good workpaper tracks both location and activity
Arrival and departure dates matter, but so do the business activities performed on each day. A trip that included conference attendance, client meetings, and actual service delivery should be coded clearly. One calendar can carry several tax stories if it is built carefully.
The best version is updated during the year, not rebuilt during filing season
A monthly or trip-by-trip update takes minutes and usually prevents hours of reconstruction later. By year-end, the travel workpaper should already be a usable tax exhibit, not a research project.
Frequently Asked Questions
Why is a travel calendar so important for nonresident founders?
Because it can support sourcing, residency, treaty, and service-performance analysis all at once.
What should a founder log besides dates?
Log the type of business activity performed each day, not just the location.
When should the workpaper be updated?
Ideally after each trip or at least monthly, while the details are still fresh.
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