; or (2) transit through the navigable waters of the United States that form a part of an international strait. . (2) Clerical amendment The analysis at the beginning of chapter 31 of such title is amended by adding at the end the following: 3105. Electronic charts. . (b) Repeal Section 2307 of title 46, United States Code, and the item relating to that section in the analysis at the beginning of chapter 23 of that title, are repealed. (c) Repeal The Ports and Waterways Safety Act ( 33 U.S.C. 1221 et seq.), as amended by this Act, is repealed. 303. Transitional and savings provisions (a) Definitions In this section: (1) Source provision The term source provision means a provision of law that is replaced by a title 46 provision under this title. (2) Title 46 provision The term title 46 provision means a provision of title 46, United States Code, that is enacted by section 302. (b) Cutoff date The title 46 provisions replace certain provisions of law enacted before the date of the enactment of this Act. If a law enacted after that date amends or repeals a source provision, that law is deemed to amend or repeal, as the case may be, the corresponding title 46 provision. If a law enacted after that date is otherwise inconsistent with a title 46 provision or a provision of this title, that law supersedes the title 46 provision or provision of this title to the extent of the inconsistency. (c) Original date of enactment unchanged For purposes of determining whether one provision of law supersedes another based on enactment later in time, a title 46 provision is deemed to have been enacted on the date of enactment of the source provision that the title 46 provision replaces. (d) References to title 46 provisions A reference to a title 46 provision, including a reference in a regulation, order, or other law, is deemed to refer to the corresponding source provision. (e) References to source provisions A reference to a source provision, including a reference in a regulation, order, or other law, is deemed to refer to the