Dokar Gurbacewar Mai na 1973 ko Dokar Gurɓacewar Mai na 1973, 33 USC Babi na 20 §§ 1001-1011, wata dokar tarayya ce ta Amurka wacce ta gyara dokar Amurka ta 75 . . Dokar Majalisar ta dore da kudurin Amurka na sarrafa fitar da gurbataccen mai daga jiragen ruwa da kuma amincewa da takunkumin da aka yi wa yankunan bakin teku a cikin ruwa masu kan iyaka . Majalisar dokokinƙasar Amurka ta 93 ta zartar da dokar ta HR 5451 kuma shugaban Amurka na 37 Richard Nixon ya zartar a ranar 4 ga Oktoba, 1973. Yarjejeniyar kasa da kasa don hana gurɓacewar teku ta Oil (OILPOL) taron ƙasa da ƙasa ne da Burtaniya ta shirya a shekarata 1954. An yi taron a London, Ingila daga 26 ga Afrilun, shekarar 1954 zuwa 12 ga Mayu, shekarata 1954. An kira taron na kasa da kasa ne domin sanin yadda ake zubar da dattin datti wanda zai iya haifar da gurbacewar yanayi a cikin tekun . Yarjejeniyar kasa da kasa don rigakafin gurɓacewar teku ta hanyar mai, a shekarata 1954 an rubuta ainihin rubutun cikin Ingilishi da Faransanci .