Praise be to Allaah.
This money is regarded as belonging to him and comes under the same ruling as the rest of his money. Zakaah is due on it if one full hijri year has passed since he took it from the bank, if it met the minimum threshold (nisaab) by itself or when added to whatever he had of other money and profits.
And Allaah is the source of strength, may Allaah send blessings and peace upon our Prophet Muhammad and his family and Companions. End quote.