Start with a short table containing date, place, document and event. Add departure from a third country, the border crossing, the purpose of travel, the planned stay and the planned onward journey. This makes gaps visible before the check begins.
The document file should contain the valid passport, the residence title and relevant correspondence from the residence authority. If a document was replaced, also keep the previous passport, the replacement confirmation and documents showing the connection between the old and new documents.
A chronology does not replace an official decision. It makes the review easier because every statement is linked to a date and document. If the journey involved several stages, record each stage separately.