sign off

US /saɪn ˈɔf/
UK /saɪn ˈɔf/
"sign off" picture
1.

to give official approval to something, or to approve of someone doing something

:
•
The manager needs to sign off on the budget before we proceed.
•
I can't sign off on this project without more details.
:
approveauthorizeendorsesanctionratify
2.

to end a broadcast or a piece of writing

:
•
The news anchor will sign off at the end of the program.
•
She decided to sign off her email with a personal note.
:
concludeterminateendclose
:
signsign insign onoffoff and onsign outminus sign