Depending on the changes in the product you may not need to go through the full testing cycle. You may be able to reuse some of the results.
If you want to discuss details feel free to contact me directly at email@example.com
RFI Global Services Ltd., a UL company
Main Tel: +44 (0)1256 312000
Direct Tel: +44 (0)1256 312045
Fax: +44 (0)1256 312001
Mobile: +44 (0)7973 801979
Web Site: www.rfi-global.com