German phrase
Passt Ihnen ~ als Frist?
Meaning
Would ___ work as a deadline for you?
When to use it
A polite deadline proposal. Use it to ask if a suggested date suits the other person.
Example dialogue
Passt Ihnen bis Ende der Woche als Frist?
Would the end of the week work as a deadline for you?
Leider nicht, wäre der nächste Montag möglich?
Unfortunately not. Would next Monday be possible?