Build your cross-border paperwork file

Cross-border work creates a particular kind of mess. Not a large number of documents — a small number, requested over and over, by different authorities, usually with a deadline attached and usually on a day you are busy. Six months in, most people have everything they need, spread across an inbox, a drawer and a phone.

The fix is dull and it lasts: five folders, one naming rule, and the habit of keeping what you submitted alongside what came back. We will set that up first, then go through what belongs in each part and when to come back to it. Half an hour now is the difference between answering an authority in five minutes and rebuilding your own history under pressure.

Start with one secure digital folder, divided into five: identity and residence, employment, Swiss permit, insurance and social security, and pay or tax records. Five sections is enough to find anything and few enough that you will actually keep it up.

Paper originals live together somewhere safe and stay there. What goes in the digital folder are scans — working copies you can send without ever putting an original in the post.

Name files so that the folder sorts itself: date first, then what it is. Something like 2026-08-25-g-permit-decision.pdf tells you the date, the subject and the document type at a glance, and a year of them lines up in order automatically.

One caution about where this lives. Passport scans and salary documents do not belong in a shared household folder unless everyone with access to it should genuinely be able to read them. Shared drives are easy to set up and easy to forget about.

Four things go in as soon as you have them: the signed employment contract, your employer contact, the permit application or decision from your work canton, and any notification confirmation.

Which of those last two you have depends on your contract. For EU/EFTA employment, the length of the contract decides whether the route is a notification or a permit, and the canton where you work runs the practical process either way.

Keep the version you submitted alongside the final decision, not instead of it. They answer two different questions: what you declared, and what was approved. If those ever need to be reconciled, having only one half of the pair is a slow, unpleasant afternoon.

This section holds your health-insurance policy, any exemption or cantonal decision, and every form exchanged with your country of residence. If your work pattern requires an A1 — the certificate showing which country’s social security covers you — or another social-security certificate, it belongs here too.

It is worth being strict about one distinction here. An insurer's quote is a sales document. An email summary is somebody's description of a decision. Neither is the decision. File the authority's own decision, because that is the only version that settles anything.

Your health-insurance route depends on where you live and your nationality, and it comes with deadlines — which is exactly why the paper trail here is the one you least want to be reconstructing from memory.

One folder per calendar year, holding four kinds of record: payslips, the annual salary statement, the bank statements needed to trace salary payments, and official tax or withholding documents.

Add one thing most people skip: your own record of where you worked each day, including days worked from home. If your location can affect an assessment later — and for cross-border work it very often can — that quiet calendar is the evidence. The tax-residence check shows which facts are worth recording in your case.

Resist the urge to keep everything. A folder with every receipt in it is as hard to search as no folder at all. The test is simple: does this support an official declaration, a reimbursement, or a decision you might have to explain? If not, let it go.

Six changes should send you back to this folder: a new employer, a new contract, a new address, a different work pattern, different insurance, or a new permit. None of them takes long to file; all of them are painful to reconstruct.

When a document is replaced, mark the old one as expired rather than quietly deleting it. Superseded paperwork still tells the story of what applied when, and that story is occasionally the thing you need. Archive each completed year once it is closed.

Finally, set one private reminder ahead of your permit or policy expiry. Be clear with yourself about what it is: a nudge you invented, not an official deadline. Confirm the real date with whoever issued the document.