; and (2) 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) 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. .