New Revised Standard Version
If the owner was present, there shall be no restitution; if it was hired, only the hiring fee is due.

Contemporary English Version
But if something happens to the animal while the owner is present, you do not have to replace it. If you had leased the animal, the money you paid the owner will cover any harm done to it.

New American Bible
But if the owner is present, that one need not make restitution. If it was hired, this was covered by the price of its hire.

Douay-Rheims Bible
But if the owner be present, he shall not make restitution, especially if it were hired, and came for the hire of his work.

But if the owner be present, he shall not make restitution, especially if it were hired, and came for the hire of his work.

it came for his hire

Zechariah 8:10 For before those days there was no hire for men, neither was there hire for beasts, neither was there peace to him that came in, nor to him that went out, because of the tribulation: and I let all men go every one against his neighbour.