Our product should include a comments field for approval/declining. Since it does not, here is a workaround:
- Reviewer selects "Actions" and "Edit Timesheet Comment" for the timesheet before declining it.
- Reviewer enters reason for declining timesheet and save. Use that same action button pictured above to decline it.

- Recipient sees the comment:

Please let our product team know your thoughts on this missing functionality directly:
http://www.daptiv.com/support/product_feedback.asp