; and (ii) is accredited by the International Organization for Standardization. ; and (4) Applicability The amendments made by this subsection shall only apply to pipes and components that are— (A) covered by the amendments made by such subsection; and (B) purchased on or after the date of enactment of this Act. (b) Review of compliance of flanges and fittings (1) In general Not later than 180 days after the date of enactment of this Act, the Comptroller General of the United States shall complete a review of the compliance of flanges and fittings of a pipeline facility (as such term is defined in section 60101 of title 49, United States Code) with Federal requirements. (2) Contents of review The review required under paragraph (1) shall include— (A) a compilation of the existing standards that are incorporated by reference in regulations of the Pipeline and Hazardous Materials Safety Administration and apply to the manufacturing, operation, and maintenance of such flanges and fittings; (B) a review of the existing oversight authority of the Secretary of Transportation over manufacturers and distributors of such flanges and fittings and any lack of oversight authority that could lead to incidents or accidents; (C) an analysis of the degree of compliance by such manufacturers and distributors with the standards described in subparagraph (A), the identification of any instances of non-compliance with such standards, and the form, degree, and scope of such non-compliance; (D) a review of the extent to which verification (as such term is defined in section 60102(e) of title 49, United States Code, as added by this section) by operators of pipeline facilities of whether such flanges and fittings of pipeline facilities meet the applicable standards described in subparagraph (A) is occurring; (E) a review of the safety benefits of requiring pipeline incident reports to include the identification of the manufacturer of the flanges and fittings involved in those incidents