PDFA_def to convert from PDF to PDFA

PDFA_def.ps

%!
% This prefix file for creating a PDF/A document is derived from
% the sample included with Ghostscript 9.07, released under the
% GNU Affero General Public License. 
% Modified 4/15/2013 by MCB Systems.

% Feel free to modify entries marked with "Customize".

% This assumes an ICC profile to reside in the file (AdobeRGB1998.icc),
% unless the user modifies the corresponding line below.

% The color space described by the ICC profile must correspond to the
% ProcessColorModel specified when using this prefix file (GRAY with
% DeviceGray, RGB with DeviceRGB, and CMYK with DeviceCMYK).

% Define entries in the document Info dictionary :

/ICCProfile (PATH_TO_YOUR_ICC_FILE)   % Customize.
def

[ /Title (Title)                  % Customize.
  /DOCINFO pdfmark

% Define an ICC profile :

[/_objdef {icc_PDFA} /type /stream /OBJ pdfmark
[{icc_PDFA} <</N systemdict /ProcessColorModel get /DeviceGray eq {1} {systemdict /ProcessColorModel get /DeviceRGB eq {3} {4} ifelse} ifelse >> /PUT pdfmark
[{icc_PDFA} ICCProfile (r) file /PUT pdfmark

% Define the output intent dictionary :

[/_objdef {OutputIntent_PDFA} /type /dict /OBJ pdfmark
[{OutputIntent_PDFA} <<
  /Type /OutputIntent             % Must be so (the standard requires).
  /S /GTS_PDFA1                   % Must be so (the standard requires).
  /DestOutputProfile {icc_PDFA}            % Must be so (see above).
  /OutputConditionIdentifier (AdobeRGB1998)      % Customize
>> /PUT pdfmark
[{Catalog} <</OutputIntents [ {OutputIntent_PDFA} ]>> /PUT pdfmark