A backup Sale is used when you have multiple sale contracts for the one listing.
Only one sale can be live at any one time.
TABLE OF CONTENTS
Back-Up sale
Create a backup Sale by creating a New Sale attached to Conditional Sale
Open Sales > and click on the New Sale button.
Start typing the Listing id of the existing Sale and select from the list
When you select a listing with a Sale you will see this message confirming that you are about to create a backup Sale.
Enter the sale details as you would any other Sale
You now have 2 sales for the one Listing, the backup sale will be indicated with the * beside the Listing ID
Making the back up Sale live
The backup sale will show you which sale it is a backup to, a listing can only have one live Sale at any one time.
Before a Backup Sale can become the live the original Sale must be marked as Fallen.
Making the first Sale fallen will then allow you to make the backup Sale the live sale and can be marked as Unconditional.
You can also see on the Sale Change tab