This file contains the Domestic Declarations: 10,500 cases, 56,437 events Parent item: BPI Challenge 2020 The dataset contains events pertaining to two years of travel expense claims. In 2017, events were collected for two departments, in 2018 for the entire university. The various permits and declaration documents (domestic and international declarations, pre-paid travel costs and requests for payment) all follow a similar process flow. After submission by the employee, the request is sent for approval to the travel administration. If approved, the request is then forwarded to the budget owner and after that to the supervisor. If the budget owner and supervisor are the same person, then only one of these steps is taken. In some cases, the director also needs to approve the request.The process finished with either the trip taking place or a payment being requested and payed. On a high level, we distinguish two types of trips,