; (4) in subsection (e), by striking An exemption or renewal and all that follows and inserting the following: (1) Exemption under subsection (b)(3)(B)(i) An exemption or renewal under subsection (b)(3)(B)(i) of this section may be granted for not more than 3 years. (2) Exemption under subsection (b)(3)(B)(iii) An exemption or renewal under subsection (b)(3)(B)(iii) of this section may be granted for not more than 2 years. (3) Exemption Under Subsection (b)(3)(B)(ii), (iv), or (v) An exemption or renewal under subsection (b)(3)(B)(ii), (iv), or (v) of this section may be granted for not more than 4 years. ; and (5) by adding at the end the following: (i) Limitation on Certain Exemptions No exemption from crashworthiness standards of motor vehicle safety standards shall be granted under subsection (b)(3)(B)(v) until the Secretary issues the safety assessment certification rule pursuant to section 30129(a) and the rulemaking and safety priority plan pursuant to section 30129(b) and one year has passed from the date by which the Secretary has issued both such rule and such plan. This subsection shall not apply to exemptions from occupant protection standards if the exemption is for a vehicle that will not carry its operator or passengers. This subsection shall not apply to exemptions from crashworthiness standards if the exemption sought is for a standard addressing the steering control system and it is for a vehicle that— (1) will not have a steering control system; (2) provides impact protection to an occupant in the front left seat at a level at least equal to the level provided in nonexempt vehicles