Mining Mining | Class Actions WorkPac Claim If you have any queries in relation to this matter please email workpacaction@aderolaw.com.au and one of our team will respond as soon as possible. Hays Adero Law filed a class action against Hays in December 2018 on behalf of Hays employees who were employed on casual terms of engagement. The class action claims that production and engineering employees were improperly employed on a casual basis and should be paid out annual leave entitlements for the period they worked for Hays under the Black Coal Mining Industry Award upon termination. Stellar If you have any queries in relation to this matter please email stellaraction@aderolaw.com.au and one of our team will respond as soon as possible.