Multi-Part audits are scheduled exactly a regular audit scheduling, but with a little difference:
Each part can have a different starting date, allowing for a specific workflow to be created.
Each part is assigned user(s) and/or group(s), allowing different people or departments to complete each part.
Start by clicking the View Schedule icon 
next to the audit you wish to part schedule.
On the Schedule Audit Screen,
You will see existing schedules. These can be viewed in detail and modified.
You can delete the schedule by clicking the red X.
Click on Create new Schedule for Scheduling Parts Audit.
Step 1 - Enter a unique schedule name. E.g. Floor 1, East Wing, Morning, Afternoon Shift.
Step 2 - Select a schedule type. For a one time audit, simply select the date.
To make a recurring schedule, click on Setup Recurring Audit. Select a frequency (Weekly, Monthly, Bi-Monthly etc). Choose a start date and the number of times you want the audit to be performed.
Step 3 - Each part can have a different starting date, allowing for a specific workflow to be created.
Each part is assigned user(s) and/or group(s), allowing different people or departments to complete each part.
Once you complete these three steps, click on Schedule Audit