Frequently Asked Questions about Timesheets This page is under perpetual construction, and will be updated frequently. Latest update: 26 April 2001 Timesheets tab How can I delete an approved Timesheet? How do I delete a Timesheet? How can I create an invoice from my Timesheets? How do I add more information to my time entries in a Timesheet? How do I add the "Service," "Client:Project," and "Task" drop-down list boxes to the main Timesheet grid?