; (2) in subsection (b), by striking , with respect to not more than 10 airports, ; (3) in subsection (b)(2), by striking The Secretary may grant an exemption to a sponsor and inserting If the Secretary grants an exemption to a sponsor pursuant to paragraph (1), the Secretary shall grant an exemption to the sponsor ; (4) in subsection (b)(3), by striking The Secretary may grant an exemption to a purchaser or lessee and inserting If the Secretary grants an exemption to a sponsor pursuant to paragraph (1), the Secretary shall grant an exemption to the corresponding purchaser or lessee ; (5) by striking subsection (d) and inserting the following: (d) Program participation (1) Multiple airports The Secretary may consider applications under this section submitted by a public airport sponsor for multiple airports under the control of the sponsor. (2) Partial privatization A purchaser or lessee may be an entity in which a sponsor has an interest.