Exodus 21:36

Or if it was known that it was a goring ox {before} and its owner did not restrain it, he will surely make restitution, an ox in place of the ox, and the dead [one] will be for him.

Treasury of Scripture Knowledge

Summary

Or if it be known that the ox hath used to push in time past, and his owner hath not kept him in; he shall surely pay ox for ox; and the dead shall be his own.

General references

Bible References

General references

Exodus 21:29
But if it was a goring ox {before} and its owner was warned and did not restrain it and it kills a man or a woman, the ox will be stoned, and the owner also will be put to death.