Will you now be good enough to let us know your decision?

I will think it over and let you know my decision.

"Perhaps you could let me know your decision by question time tomorrow."

"I thought that you would like to know my decision before it was too late."

Company executives are expected to make their decision known by the end of the week.

He should let us know his decision on playing by the first of the year.

General Tuck would want to know his decision in a few hours.

"Depending on the circumstances then, we would make our decision known."

Please let me know your decision once you've made it.

The league implied that it needed to know the judge's decision by May 31, or else.