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.