It's a good read ... download it and other papers here.
Considering the wide variety in image and file formats, correct implementation of color management and standards is essential to ensure that quality is maintained from the original capture to the final print. The GWG recommends using the guidelines for digital photography projects for print..
The int'l Ghent PDF Workgroup has announced the availability of the GWG Photography White Paper. This paper is designed to provide a comprehensive set of guidelines for digital photography print productions for publishers and photographers.