Do short business trips create a payroll obligation for us?
They can, and earlier than most employers expect. Host payroll obligations are capable of arising from the first day of work in the country, even where the employee's income turns out to be exempt under the treaty. Exemption of the income and exemption from reporting are different questions, and the second is decided by local law rather than by the treaty. The practical consequence is that an employer has to know who went where before it can say whether anything was due, which makes this a travel data problem before it is a tax one.
Is a business visitor automatically exempt under the treaty?
No. The employment article generally sets several conditions that have to be satisfied together: how long the person was present, who their employer is, and who bears the cost of their pay. Meeting one of them is not enough. A visitor who stays only briefly but whose costs are borne by the host entity can fail the test as clearly as someone who overstays it. Because the conditions are cumulative, the analysis has to be done per person, per country, per year, on facts somebody recorded at the time.
How should we track travel days for employees visiting abroad?
Capture the trip when it is booked and confirm it after it happens, against something independent: travel bookings, expense claims, calendar entries. The count is the whole exposure, because where the exemption depends on presence an unrecorded trip is an unprovable position. Collecting dates from employees long afterwards produces estimates, and an estimate is the first thing an authority will test. What makes the control work is covering every traveller rather than only those the mobility team already knows about, since the unmanaged group is usually travelling on ordinary business.
Which employee trips actually trigger a host filing obligation?
Screen on the facts the employment article turns on, not on trip length alone. The questions are how much presence the person has accumulated in that country in the relevant period, who employs them, and whether the host entity bears the cost of their time, for example where the visit is charged to a local project. Trips that fail any of those need local advice. Trips that pass still need the record that proves it. A screen that only flags long visits misses the short ones charged to a host cost centre.
Can tax be due even when the employee's income is exempt?
Two obligations have to be separated. The treaty may exempt the compensation from host tax while local law still requires the employer to register, report the employee's presence, or operate withholding and reclaim it. In some countries relief has to be applied for before it can be relied on, so until the application is granted the default position is that withholding operates. That is why saying the treaty covers it is not something an employer can file. It is the employer that is pursued for reporting it never made, not the traveller.
What records prove a business visitor's treaty exemption?
Three sets, and they have to agree with each other. First, presence: dated evidence of entry and exit, or of where the person was on each day, taken from travel documents rather than recollection. Second, the employment relationship: the contract and the project or assignment documents showing who employs the person. Third, cost: the ledger and any recharge showing which entity actually bore their pay for the period. Where a country requires a residence certificate or an advance application, that belongs in the file too. A position with two of the three is not yet provable.
How do I actually stop being taxed twice?
In this order. Fix your residence under each country's own rules, and if both claim you, apply the treaty tie-breaker. Identify where each type of income is sourced. Read the article that covers that income type, because it decides who taxes and at what maximum rate. Then claim the relief on the residence-country return, with proof of the foreign tax. Most of the tax people lose to double taxation is lost at the last step, not the first. See how double taxation is relieved.
What is a double tax treaty and what does it actually do?
It is an agreement between two countries that divides up the right to tax. Article by article it decides which country taxes employment income, dividends, interest, royalties, pensions, property and business profits — and where both may tax, it caps what the source country can withhold and tells the other to give credit. It also breaks residence ties and opens a government-to-government channel for disputes. What it never does is apply itself: a treaty position is claimed. See our treaty work.
