Section 162.457 - May a lessee mortgage a business lease?(a) A lessee may mortgage a business lease by meeting the consent requirements in § 162.458 and obtaining our approval of the leasehold mortgage under §§ 162.459 and 162.460 .(b) Refer to § 162.449(c) for information on what happens if a sale or foreclosure under an approved mortgage of the leasehold interest occurs.