How is “sign off on” used?

In Stargate: The Ark of Truth (2008), one line is: “Actually, no mission is approved till the IOA officially signs off on it.”

Which movie is “sign off on” from?

The clip at the top of this page is from Stargate: The Ark of Truth (2008).

Actually, no mission is approved till the IOA officially signs off on it.

8 作品で登場 · 1 本目

to express your approval of sth formally and definitely

くだけた · アメリカ英語 · 8 本の映画に登場

オックスフォード映画の 100%
to express your approval of sth formally and definitely
If I can get you to sign off on the paperwork...
He won't sign off on a warrant for Allen's house.

定義：Oxford Advanced Learner's Dictionary 第 9 版