NET
18 And, ‘Whoever swears by the altar is bound by nothing. But if anyone swears by the gift on it he is bound by the oath.’
Darby
18 And, Whosoever shall swear by the altar, it is nothing; but whosoever shall swear by the gift that is upon it is a debtor.
KJV
18 “And, Whosoever shall swear by the altar, it is nothing; but whosoever sweareth by the gift that is upon it, he is guilty.”