The IDENTIFICATION DIVISION marks the beginning of a COBOL program.  It
  also identifies a program and its source listing.

  Format -

   IDENTIFICATION DIVISION.

   PROGRAM-ID. program-name [IS {| INITIAL |} PROGRAM ][WITH IDENT id-str] .
                            [   {| COMMON  |}         ]

  [ AUTHOR. [comment-entry] ... ]
  [ INSTALLATION.  [comment-entry] ... ]
  [ DATE-WRITTEN. [comment-entry] ... ]
  [ DATE-COMPILED. [comment-entry] ... ]
  [ SECURITY. [comment-entry] ... ]
  [ OPTIONS. [ARITHMETIC {NATIVE|STANDARD}.] ]

  Additional Information (explode) :

• PROGRAM-ID
• AUTHOR