NET
3 Then, when I arrive, I will send those whom you approve with letters of explanation to carry your gift to Jerusalem.
Darby
3 And when I am arrived, whomsoever ye shall approve, these I will send with letters to carry your bounty to Jerusalem:
KJV
3 And when I come, whomsoever ye shall approve by [your] letters, them will I send to bring your liberality unto Jerusalem.