may allow the carbon intensity of the fuels used by vessels under common ownership or control to be averaged. (7) Overcompliance The Administrator may allow vessels to credit overcompliance with any standard established under this subsection towards demonstrating compliance with any future standard under this subsection. (b) Monitoring and reporting (1) List of methods (A) In general The Administrator shall develop a list of acceptable methods for monitoring and reporting compliance with the standards established under subsection (a). (B) Consistency of methods The Administrator, to the maximum extent practicable, shall ensure the consistency of the methods included in the list required under subparagraph (A) with similar reporting schemes developed by the European Union and the International Maritime Organization. (2) Annual reporting requirements For each calendar year, a vessel shall report to the Administrator— (A) the carbon intensity of the fuel used for each covered voyage