R.I. Gen. Laws § 21-15-1: Duties of packers.

In every city or town in which pickled fish are packed for sale or exportation from the state, the packers of every city or town shall see that the fish have been properly pickled and that they are properly repackaged in casks, in good shipping order, with good salt sufficient in each cask to preserve the fish from damage in transportation to any foreign port.