Section 16(3)(a) in The Madras Port Petroleum Rules, 1963
(a)General. - 1. Advice to the Trust's Mechanical Engineer - Oil Companies intending to land petroleum in bulk shall advise the trust's Mechanical Engineer of the intended landing of such petroleum at least 24 hours before such landing commences, so as to enable him to post necessary staff to man the Booster Pumphouse and to petrol the oil pipelines.