Best Efforts

(1).  A caveat added to a promise to complete a task requested after a known or stated deadline, often used by operations to pre-emptively excuse the fact that they have absolutely no intention of completing the annoyingly last-minute request in the first place.

“Well, given that it’s 4:30 on a Friday, running a report of all your transactions since 1996 by the end of the week is going to be on a best efforts basis…”