Table 3. Intergovernmental Revenue Functions.
| Intergovernmental Revenue Categories | Census Number | Description |
|---|---|---|
| Air Transportation | 01 | Aid in support of public airports |
| Interschool revenue | 11 | Aid from one school district to another (schools only) |
| Education | 21 | Aid for public schools |
| Employment Security | 22 | Transfers to the states from the federal government for unemployment insurance |
| General Support | 30 | Aid that can be applied for any purpose |
| Health and Hospitals | 42 | Aid intended for public health or hospitals |
| Highways | 46 | Aid to be used for roads, streets, and highways |
| Transit Subsidies | 94 | Aid for mass transit systems |
| Housing and Community Dev | 50 | Aid for public housing and other community development |
| Natural Resources | 59 | Federal aid for conservation resource protection |
| Public Welfare | 79 | Aid for social welfare programs |
| Sewerage | 80 | Aid for sewage systems, disposal and treatment |
| Other Uses | 89 | All other aid not classified above |
This table describes a detailed breakdown of the different intergovernmental revenue function codes reported by governments in the data. More detailed descriptions of each function code can be found in the Census’ 2006 classification manual (http://www.census.gov/govs/classification/) included with the database download.