The CODOC number indicates the document's location on the shelf and provides additional information about the publication. For example, the government publication, Healthy Development of Children and Youth issued by Health Canada has the following call number:
GOVDC CA1 HW 29 1999 H43
The call number can be read as follows:
| GOVDC |
Identifies the location (Government Documents Collection) |
| CA |
Identifies the country (Canada) |
| 1 |
Identifies the level of government (Federal) |
| HW |
Identifies the department (Health Canada) |
| 29 |
Identifies the branch (Health Promotion and Programs Branch) |
| 1999 |
Identifies the year of publication |
| H43 |
Unique number which distinguishes this document from other documents and determines the exact location of the item relative to other documents issued by the same department |