The Council called upon Portugal to not let oil be pumped through the Companhia do Pipeline Moçambique Rodésias Pipeline into Southern Rhodesia. It called upon all states to ensure the diversion of vessels reasonably believed to be carrying oil destined for Southern Rhodesia. The resolution also called upon the government of the United Kingdom to prevent, by force if necessary, the arrival at Beira of vessels reasonably believed to be carrying oil destined for Southern Rhodesia.