9 The construction uses a Niphal infinitive absolute and a Niphal imperfect: if it should indeed be found. Gesenius says that in such conditional clauses the infinitive absolute has less emphasis, but instead emphasizes the condition on which some consequence depends (see §113.o).
10 Heb “in his hand.”
11 He must pay back one for what he took, and then one for the penalty—his loss as he was inflicting a loss on someone else.

In other versions

ESVEnglish Standard Version

If the stolen beast is found alive in his possession, whether it is an ox or a donkey or a sheep, he shall pay double.

NIVNew International Version (2011)

If the stolen animal is found alive in their possession—whether ox or donkey or sheep—they must pay back double.

CSBChristian Standard Bible

If what was stolen—whether ox, donkey, or sheep—is actually found alive in his possession, he must repay double.

NLTNew Living Translation

If someone steals an ox or a donkey or a sheep and it is found in the thief’s possession, then the thief must pay double the value of the stolen animal.

LEBThe Lexham English Bible

If indeed the stolen item is found in his possession alive, from ox to donkey to small livestock, he will make double restitution.

KJV 1900King James Version

If the theft be certainly found in his hand alive, whether it be ox, or ass, or sheep; he shall restore double.

Public Domain