I have no idea what you are referring to. There were no changes to either domestic or international contract of carriages in February. The last change for international CoC was March 13th. The previous change was Dec 28th. The ticket reissue procedures sections are exactly the same.

Before -- https://web.archive.org/web/20250218...er-28dec24.pdf



After -- https://www.delta.com/content/dam/de...er-13mar25.pdf