U. If person didn't work in the year prior to the date of the census, what is the occupation or situation that he/she considers principal?
 75 student
 76 retired
 77 lives on rent income
 78 temporary illness
 79 permanent incapacity
 80 imprisoned
 81 no occupation
Question U - If the respondent did not work during the year preceding the date of the Census, what occupation or situation does he or she consider the most important?
Only persons who did not exercise any economic occupation during the year preceding the date of the Census, that is, during the period extending from September 1, 1959, to August 31, 1960, should answer this question.
Economic occupation is considered any work which is exercised for the purpose of receiving monetary remuneration (salaries, wages, bonuses, subsidies, profits, income from artistic or handicraft-related work, commissions, tips, etc.) or in kind (part of products received from farming, extractive or industrial operations). Even without remuneration, economic occupations exercised by family members (Question Z) and religious (priests, ministers, friars, nuns, etc.) should be considered.
One of the rectangles for this question should be marked with an X only for those who did not exercise any economic occupation during the year preceding the date of the Census, according to the following criteria:
Student - a person who is attending school;
Retired - a person who receives income resulting from retirement from work which he or she exercised at an earlier date or who receives a pension from pension funds left by the death of a person upon whom he or she was dependent;
Lives on earnings - a person who earns income deriving from investment of his or her own capital;
Temporary illness - a person who did not work during the year preceding the date of the Census due to temporary illness, whether employed or not;
Permanent disability - a person who does not work due to permanent illness or disability, without being retired or living on revenue. Persons age 70 or over who do not exercise an occupation should be included in this case;
Prisoner - Serving sentence, even if he or she exercises an occupation in the prison;