H&R Block’s Win Back offer is only open to customers who have not completed their tax return for FY13/14-FY16/17 and have received the campaign details from H&R Block via email, SMS, letter or a call from our call centre staff. Offer opens on the 10th September 2018 and closes on 31st October 2018. To claim the $25 discount, clients must present their email, SMS or letter in a H&R Block office. Not valid with any other offers. H&R Block reserves the right to remove this promotion at any time.