Follow these steps:
Click Options and then click Manager
Click General followed by Compliance Check Management
Click New to create a new Compliance task
Name the compliance check
Tick the Employment Type you want it to check
Click Save
Next to Stored documents click the + Symbol
Select the type of template you would use e.g. DBS , name the document and tick the expiry checkbox.
Select the expiry warning period and click Save
Then click the + symbol next to job attributes and
Select the positions that you wish the stored documents to be checked for (you can select them all).
Click Save
Click Compliance tasks definitions
Make sure that the below tasks have the 'Is Enabled' checkbox ticked
Placed applicant's' compliance components is due to expire
Placed applicant's compliance components has expired