This job bank would also assist them in locating suitable and meaningful employmentwhere available and clearly requiredin various locations throughout the United States. These predetermined employment opportunity areas would not be in sections where there are currently substantial concentrations of employment and underemployed Puerto Ricans. The Commonwealth of Puerto Rico has done pioneer work in this area through its migrant division which has a number of offices on the mainland. Under this program for migrant workers. developed by the Commonwealth of Puerto Rico at its own expense. Puerto Ricans enter into a contract in Puerto Rico to work on farms in New Jersey. Long Island.