What if I find that I want to use the LTA materials, but I opted out and I missed the 12th class day deadline to opt back in? August 06, 2021 19:02 Updated Please contact the Co-op’s Longhorn Textbook Access help line if you’ve missed the deadline. They will advise you regarding your alternatives. https://www.universitycoop.com/longhorn-textbook-access Related articles Can I buy a used book/text, or rent a book/text, and then acquire the online support materials separately, not through the LTA program? Can I change my mind after I have opted out and opt back in to Longhorn Textbook Access course materials? How do I opt out? How long does access to the digital Longhorn Textbook Access materials last?