by paragraph (1) to be equipped with side underride guards that meet the performance standards described in paragraph (3). (3) Performance standards A side underride guard meets the performance standards described in this paragraph if the side underride guard is able to prevent intrusion from the body or frame of a vehicle described in paragraph (1) into the passenger compartment of a passenger motor vehicle that contacts the guard while traveling 35 miles per hour at any angle between 10 degrees and 90 degrees. (4) Compliance dates (A) In general Except as provided in subparagraph (B), compliance with each of the rules issued by the Secretary under paragraphs (1) and (2) shall be required beginning on the date that is 1 year after the respective issuance date of each such rule. (B) Phase-in The Secretary may permit a phase-in period, not to exceed 3 years, pursuant to paragraph (2) for the installation of side underride guards on trailers and semi-trailers described in that paragraph. (c) Front underride guards (1) Rule required Not later than 2 years after the date of the enactment of this section, the Secretary shall issue a final rule requiring all commercial motor vehicles with a gross vehicle weight rating of more than 10,000 pounds manufactured on or after the effective date of the rule to be equipped with front underride guards. (2) Report Not later than 1 year after the date of enactment of this section, the Secretary shall— (A) complete research on equipping commercial motor vehicles with a gross weight rating of more than 10,000 pounds with a front underride guard to prevent trucks from overriding the passenger vehicle