The Date and Time Description field already appears in the transcript Ginger @ Greenbush prepares for license renewal, along with each activity when that activity is more than 8 points.
So enter the range of dates for these activities in the Date and Time Description field on your PDP Toolbox Transcript Points Request form, and you're golden! :)
https://pdptoolbox.org/staff/?page=points_knowledge_form.php
(Sign in to the PDP Toolbox before following this link.)
Thanks to Jan H. for sharing! :)
Jay @ Greenbush