; and (iii) to assist the Government of Afghanistan in developing and executing a transparent and consistently applied system of legitimate revenue generation and expenditures. (E) Taxation None of the funds appropriated by this Act for assistance for Afghanistan may be made available for direct government-to-government assistance unless the Secretary of State certifies and reports to the Committees on Appropriations that United States companies and organizations that are implementing United States foreign assistance programs in Afghanistan in a manner consistent with United States laws and regulations are not subjected by such government to taxes or other fees in contravention of diplomatic and other agreements between the Governments of the United States and Afghanistan, or to retaliation for the nonpayment of taxes or fees imposed in the past: Provided , That not later than 90 days after enactment of this Act, the Secretary of State shall submit to the Committees on Appropriations an assessment of the dollar value of improper taxes or fees levied by such government against such companies and organizations in fiscal years 2015, 2016, and 2017. (3) Goals and benchmarks Not later than 90 days after enactment of this Act, the Secretary of State shall submit to the appropriate congressional committees a report describing the goals and benchmarks required in paragraph (2)(B)(i): Provided , That not later than 6 months after the submission of such report and every 6 months thereafter until September 30, 2019, the Secretary of State shall submit a report to such committees on the status of achieving such goals and benchmarks: Provided further , That the Secretary of State should suspend assistance for the Government of Afghanistan if any report required by this paragraph indicates that such government is failing to make measurable progress in meeting such goals and benchmarks. (4) Authorities (A) Funds appropriated by this Act under title III through VI that are made available for assistance for Afghanistan may be