This body of the Law left no room for a legislature, or for legislators or lawmakers. God's Law was sufficient for that age, for this age, and for all ages to follow. Only magistrates were required to administer the Law as situations arose. But I assure you that these laws are complete and no other law is necessary. You see many of the Statutes were matters of equity from which inferences can be drawn to fit new circumstances by the magistrates who apply them.
Broad principles are subject to many applications.
Specifically, this says that while the ox is being worked, it is entitled to feed on that in which it works. In other words, the ox is entitled to share in the fruits of the harvest. But application of this principle has a literal application to our daily lives. In its broader context, it says that the laborer is entitled to share in the fruit of the harvest. Let's apply this to corporations, which are legal entities certainly not known to the period when the Divine Law was given.