NET
21 But when Paul appealed to be kept in custody for the decision of His Majesty the Emperor, I ordered him to be kept under guard until I could send him to Caesar.”
Darby
21 But Paul having appealed to be kept for the cognisance of Augustus, I commanded him to be kept till I shall send him to Caesar.
KJV
21 But when Paul had appealed to be reserved unto the hearing of Augustus, I commanded him to be kept till I might send him to Caesar.