IDENTIFICATION DIVISION
The IDENTIFICATION DIVISION must be the first division in each COBOL source program, factory
definition, object definition, method definition, 
and function definition
. The
identification division names the program, class, or method and identifies the factory definition,
object definition, or function definition. The IDENTIFICATION DIVISION can
include the date a program, class, method, or function was written, the date of
compilation, and other such documentary information.
- Program IDENTIFICATION DIVISION
- For a program, the first paragraph of the IDENTIFICATION DIVISION must be the PROGRAM-ID
paragraph. The other paragraphs are optional and can appear in any order.
For details, see PROGRAM-ID paragraph.
- Class IDENTIFICATION DIVISION
- For a class, the first paragraph of the IDENTIFICATION DIVISION must be the
CLASS-ID paragraph. The other paragraphs are optional and can appear in any order.
For details, see CLASS-ID paragraph.
- Factory IDENTIFICATION DIVISION
- A factory IDENTIFICATION DIVISION contains only a factory paragraph
header.
For details, see FACTORY paragraph.
- Object IDENTIFICATION DIVISION
- An object IDENTIFICATION DIVISION contains only an object paragraph
header.
For details, see OBJECT paragraph.
- Method IDENTIFICATION DIVISION
- For a method, the first paragraph of the IDENTIFICATION DIVISION must be the
METHOD-ID paragraph. The other paragraphs are optional and can appear in any order.
For details, see METHOD-ID paragraph.
- Function IDENTIFICATION DIVISION
- For a user-defined
function or function prototype, the first paragraph of the IDENTIFICATION DIVISION must be the
FUNCTION-ID paragraph. The other paragraphs are optional and can appear in any order.
For details, see FUNCTION-ID paragraph.