The following questions (17-20) refer to the person's occupation during the previous week (7-13 March 1971), regardless of whether or not the person usually works.
If he/she worked during the previous week (questions 17-19):
___ _ _ _ 18. b) In what type of establishment, farm, enterprise, or service was he/she working?
Questions 18, Type of work and establishment of work [omitted]
Question 19, Occupational status [omitted]
Question 20, Reason for not working [omitted]