Chapter I — Bureau of the Census, Department of Commerce
- Pt. 30 Foreign Trade Regulations §§30.1 to 30.75-30.99
- Pt. 40 Part 40 [reserved]
- Pt. 50 Special Services and Studies by the Bureau of the Census §§50.1 to 50.60
- Pt. 60-70 Parts 60-70 [reserved]
- Pt. 80 Furnishing Personal Census Data from Census of Population Schedules §§80.1 to 80.5-80.6
- Pt. 90 Procedure for Challenging Population Estimates §§90.1 to 90.9
- Pt. 100 Seal §§100.1 to 100.3
- Pt. 101-199 Parts 101-199 [reserved]