150 



10 



1 (9) Section 9 (33 U.S.C. 1008) is renumbered section 



2 10 and is amended — 



3 (A) by amending subsection (c) to read as follows: 



4 "(c) The oil record book shall be completed on each 



5 occasion, on a tank-to-tank basis, whenever any of the foUow- 



6 ing operations takes place in the ship — 



7 "(1) for tankers: 



8 " (i) loading of oil cargo; 



9 " (ii) transfer of oil cargo during voyage ; 



10 " (iii) discharge of oil cargo; 



11 "(i^') ballasting of cargo tanks ; 



12 " {^') cleaning of cargo tanks ; 



13 " ( ^i) discharge of dirty ballast; 



14 "(vii) discharge of water from slop tanks; 



15 "(viii) disposal of residues ; 



16 "(ix) discharge overboard of bilge water con- 



17 taining oil which has accumulated in machinery 



18 spaces while in port, and the routine discharge at 



19 sea of bilge water containing oil unless the latter has 



20 been entered in the appropriate log book ; 



21 "(2) for ships other than tankers : 



22 " (i) ballasting or cleaning of bunker fuel tanks; 



23 "(ii) discharge of dirty ballast or cleaning 



24 water from bunker fuel tanks ; 



25 "(iii) disposal of residues ; 



