Second. Rents are used to reimburse loans and pay operating and maintenance costs. Experience has shown that grants of 66 percent often do not allow projects to charge rents within reach of migrant farm workers. Third. Many rural areas do not have official local bodies such as public housing authorities to apply for and receive loans and grants. Fourth. Constant migration has serious disruptive physical and psychological effects on workers and their families. Adequate housing programs should make a positive contribution to stabilizing the migrant population and to developing local farm labor work forces. Fifth. The law now permits loans and grants to be spent only for fixtures which become permanent parts of the units.