Your client wants their supply plans to have a customized group of exceptions.

Manage Plans > Select each supply plan > Edit each supply plan > Manually add each exception specified by client

Configure Exceptions > Expand Supply Planning Exceptions > Highlight lines with exceptions specified by client > Click 'Add to Exception Set'

Configure Exception Sets > Create exception set > Add exceptions specified by client

Select 'Add to Supply Plan' button > Select which supply plans you want to have this group of exceptions

Manage Plans > Select each supply plan > Edit each supply plan > Add your exception set to Plan Options for each supply plan