ready will this check expire in the next 3 months? - generate report

As an Owner I would like to know if any of my volunteer's checks are expiring in the next 3 months so that I can make sure my buissness functions legally (This refers to the function that checks if to given that an employee has not taken a dbs check in the past 3 years when a report is called the administrator will be informed to ask you to take a test so that you will be able to legally volunteer

given that an employee has not taken a supergeeks check in the past 3 years when they have taken one previously the administrator will be informed to ask you to take a test so that you will be able to keep up to date with current SG procedures