In the process of preparation to the Review Study, Eurovent has submitted Position Paper including a proposal for consideration of moisture recovery in the revised VU Regulation. During the First Stakeholder meeting, the study consultant found that case studies supporting the position do not indicate the considered running time and asked for additional information about their background. This document provides clarification to the studies and extended outcomes of calculation covering typical occupant schedules (operating time) for various types of buildings as defined in prEN 16798eurovent-market-intelligence/news/eurovent-market-intelligence/-1. The original Eurovent Position Paper in question is enclosed in Appendix 2.