Level of receipts plus interest— The term level of receipts plus interest means the level of taxes and interest credited to the Harbor Maintenance Trust Fund under
section 9505 of the Internal Revenue Code of 1986 for a fiscal year as set forth in the President’s budget baseline projection as defined in section 257 of the Balanced Budget and Emergency Deficit Control Act of 1985 (Public Law
99–177) for that fiscal year submitted pursuant to section 1105 of title 31, United States Code.