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}.] ]

1  –  PROGRAM-ID

  The PROGRAM-ID paragraph identifies a program.

  Format -

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

1.1  –  program-name

  identifies a COBOL source program.

1.2  –  id-str

  identifies a literal string to be included in the object module
  generated by the compilation, for identification.

2  –  AUTHOR

  The AUTHOR paragraph is for documentation only.

  Format -

   AUTHOR. [comment-entry] ...

2.1  –  comment-entry

  Comment-entry can consist of any combination of characters from the
  computer character set.  Comment-entries can span several lines in
  Area B.  However, they cannot be continued by using a hyphen in the
  indicator area.  The end of comment-entry is the line before the next
  entry in Area A.