Since 2013 the European Timber Regulation (EUTR) prohibits the placement of timber and timber products from illegal sources on the European market. Companies that import timber or timber products from third countries into the EU are therefore faced with a number of requirements. In 2018, a detailed survey of German market operators was carried out by the Thünen Institute. In addition to the questionnaire design and sample design, this working paper publishes the whole questionnaire and the distribution of responses to each question. The responses to each question were descriptively analysed and results are shown in tables. The aim is to disclose the survey results for external scientists and to make them usable.