17.32. A similar approach could be adopted for other types of sources, such as labour force surveys, household surveys or even business surveys. Adding options in the questions asked to respondents could serve to identify mode 4 persons in such data sources.
Country experience: Austria: a model for estimating monthly balance of payments data
Country experience: United Kingdom: experience with modelling outward FATS
Back to Chapter 17 Estimation and modelling of missing data and forecasting or back-casting
 See BPM6 Compilation Guide, paras. 8.17 and 8.25.
 Actually, defining services contracts versus employment relationships is something that would better serve the compilation of tourism statistics as well as migration statistics.