Stored procedure to get Original error

USE [DBNAME]
GO
/****** Object:  StoredProcedure [dbo].[f9001_pcrtw_Error]    Script Date: 05/24/2011 12:13:42 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =====================================================================
-- Author   :Mahadevan
-- Create date  :09/06/2010
-- Description  :The procedure rethrows the original error
-- Modified Date :Modified By   Reason
-- =====================================================================
CREATE PROCEDURE [dbo].[f9001_pcrtw_Error]
AS
 BEGIN
 SET NOCOUNT ON
    -- Return if there is no error information to retrieve.
    IF ERROR_NUMBER() IS NULL
        RETURN;
    DECLARE @ErrorMessage    NVARCHAR(4000)
    DECLARE @ErrorNumber     INT
    DECLARE @ErrorSeverity   INT
    DECLARE @ErrorState      INT
    DECLARE @ErrorLine       INT
    DECLARE @ErrorProcedure  NVARCHAR(200)
    -- Assign variables to error-handling functions that
    -- capture information for RAISERROR.
    SELECT @ErrorNumber = ERROR_NUMBER(),
   @ErrorSeverity = ERROR_SEVERITY(),
   @ErrorState = ERROR_STATE(),
   @ErrorLine = ERROR_LINE(),
   @ErrorProcedure = ISNULL(ERROR_PROCEDURE(), '-');
    -- Building the message string that will contain original
    -- error information.
    SELECT @ErrorMessage = N'Error %d, Level %d, State %d, Procedure %s, Line %d, ' +'Message: '+ ERROR_MESSAGE();
 
    -- Raise an error: msg_str parameter of RAISERROR will contain
    -- the original error information.
    RAISERROR
    (
  @ErrorMessage,
  @ErrorSeverity,
  1,              
  @ErrorNumber,    -- parameter: original error number.
  @ErrorSeverity,  -- parameter: original error severity.
  @ErrorState,     -- parameter: original error state.
  @ErrorProcedure, -- parameter: original error procedure name.
  @ErrorLine       -- parameter: original error line number.
    )
 SET NOCOUNT OFF
 END
GO

Use the procedure "f9001_pcrtw_Error" along with other stored procedure as

CREATE PROCEDURE <name>
AS
BEGIN
  BEGIN TRY
   <SQL Statement>
  END TRY

 BEGIN CATCH
   EXEC f9001_pctw_Error
 END CATCH

END