One who throws from the sea to the dry land, from the dry land to the sea, from the sea to the ship, from the ship to the sea, or from one ship to another, is exempt. If ships are tied together, we may move [things] from one to the other. If they are not tied [together], even though they are close to each other, we may not move [things] from one to the other.

One who throws [a distance of] four cubits in the sea is exempt. If there was a shallow pool of muddy water with a public domain passing through it, one who throws [a distance of] four cubits in it is liable. How much is a shallow pool? Less than ten handbreadths. A shallow pool with a public domain passing through it, one who throws [a distance of] four cubits in it is liable.