(1) any inspector employed by any department, board, agency, bureau, commission or service of the United States, the Commonwealth of Pennsylvania, a local government, or the executive or administrative officer of any such department, board, agency, bureau, commission or service, or his duly authorized representative who shall, upon request, present proper identification to the owner, provided that such organization has within the present year of occupancy notified the owner of the camp stating their purpose and the agent of the organization visiting the seasonal farm labor camp;

(2) guests of seasonal farm workers or persons working under the auspices of private organizations whose primary objective on entering the premises is the health, safety, welfare or dignity of seasonal farm workers; or

(3) any individual, group or public agency whose primary purpose is to provide a service to the owner of a seasonal farm labor camp rather than the seasonal farm workers.