At the moment, Direct Line does not provide Referral Discount. Typically, Direct Line displays available discounts, including any special offers, on its "Discount" or "Promotions" page. If you cannot find this information on their website, you may directly contact the customer service department to inquire about Referral Discount. Additionally, there may be individuals sharing Direct Line's coupons on Reddit. If you are interested, you can keep an eye out for them.