sign off on

به این معنی است که تأیید کنید که چیزی رسماً پذیرفته شده یا مجاز است.
مثال؛
A supervisor might say, I will sign off on your vacation request.
In a business context, someone might ask, “Did the legal department sign off on the contract?”
A manager might say, “Once the CEO signs off on the budget, we can move forward with our plans. ”