https://www.transfermarkt.com/refund-guide-contact-at-%F0%9D%9F%8F-%F0%9D%9F%96%F0%9D%9F%96%F0%9D%9F%96-%F0%9D%9F%94%F0%9D%9F%93%F0%9D%9F%95-%F0%9D%9F%96%F0%9D%9F%91-%F0%9D%9F%96%F0%9D%9F%8E-does-delta-give-you-a-full-refund-/thread/forum/659/thread_id/3291/page/1#anchor_3479
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