https://help.myob.com/wiki/x/vi_EAQ
Accountants Enterprise with Practice Manager only
You can delete entire timesheets, disbursement and expense sheets, but only if the record is in Draft status. If it has been Submitted, you must first revert it to Draft. If it has been Posted, you must reverse it (see Reversing bills).
Open the timesheet, disbursement sheet or expense sheet. See Opening existing timesheets, or Entering disbursements for an employee or Opening a practice disbursement or Opening expense sheets.
Click Delete sheet on the TASKS bar. A Delete Lines message is displayed requesting confirmation of the deletion.
Click Yes. The sheet is deleted.
Working with timesheets
Working with disbursements
Authorising and posting sheets from your homepage or Practice KPI
Deleting entries from timesheets or disbursement sheets
Exporting data to Microsoft Excel
Copying Timesheets
Entry status and authorisation buttons for sheets