Meaning of the word "sign off on" in English

What does "sign off on" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sign off on

US /saɪn ɔf ɑn/
UK /saɪn ɒf ɒn/

Phrasal Verb

to give official approval to something

Example:
The manager needs to sign off on the budget before we can proceed.
I can't sign off on this project without more details.