You only need to complete this step if your club has never been setup with First Advantage. If you initiated DBS checks in Whole Game System (WGS), you do not need to complete this step.
This video explains how a club can set themselves up to process DBS applications for the first time.
The first step is to sign in to club portal and look for your organisation ID. Once you have this head to
https://help.fadv.com/s/thefa.
Then under the helpful links section select "The FA - Club / Additional Verifier Registration Form. Complete the details on the screen and then select submit and keep an eye out for an email from First Advantage.
Should you need to check the status of your DBS of have further questions, you can use the First Advantage help page - https://help.fadv.com/s/thefa