521. Column 26. If at Private or Nonemergency Government Work ("Yes" in col. 21): Number of Hours Worked During Week of March 24-30, 1940.-Enter in col. 26 for each person who was at work in private or nonemergency Government work ("Yes" in col. 21) the total number of hours worked during the week for pay or profit (including unpaid family work other than home housework or incidental chores but private or nonemergency Government work ("Yes" in col. 21) the total number of hours worked during the week for pay or profit (including unpaid family work other than home housework or incidental chores but excluding any time spent on emergency work, as WPA, NYA, and CCC.

522. Note that you must make an entry in col. 26 when the entry in col. 21 is "Yes" and only when it is "Yes." Cols. 26 must be left blank for persons for whom the entry in col. 21 is "No," "Inst.," or blank.

523. For a professional person, a business man, a farmer, or any other person maintaining his own office, or operating a business or farm, enter the number of hours he spent in his office, or in his place of business, or in any work on his farm; include also the number of hours he may have elsewhere devoted to his professional, business, or farm affairs. If the exact number of hours is not known, enter the best obtainable estimate.

524. This entry should be in terms of the nearest whole number of hours. A fractional period of 30 minutes or more should be counted as a whole hour.