Sorry for the delay here. Ended up finding a solution. However, due to recent changes by Squarespace, my code injection no longer works. I used a solution similar to the one posted here but, as of yesterday this no longer works.
Need to redirect the user to an external page to complete a waiver. The external page is set to redirect the user to the checkout after the waiver is completed.
Cart page: https://www.clncsports.com/cart