; and (C) any single unit truck— (i) the bottom of the carriage of which is greater than 22 inches above the ground; (ii) with a gross vehicle weight rating of 10,000 pounds or more; and (iii) that is manufactured before the effective date of the rule required by paragraph (1). (3) Performance standards A side underride guard shall be considered to meet the performance standards referred to in paragraphs (1) and (2) if the side underride guard is able to prevent intrusion from the body or frame of a vehicle described in paragraph (1) or (2), as applicable, 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 rule. (B) Phase-in The Secretary may permit a phase-in period, not to exceed 3 years, for the installation of side underride guards on trailers, semi-trailers, and single unit trucks described in paragraph (2). (c) Front underride guards (1) In general Not later than 2 years after the date of enactment of this section, the Secretary shall issue a final rule requiring the installation of front underride guards on— (A) any trailer with a gross vehicle weight rating of 10,000 pounds or more that is manufactured on or after the effective date of the rule; (B) any semi-trailer with a gross vehicle weight rating of 10,000 pounds or more that is manufactured on or after the effective date of the rule; and (C) any single unit truck— (i) the bottom of the carriage of which is greater than 22 inches above the ground; (ii) with a gross vehicle weight rating of 10,000 pounds or more