In general
If—
(i)#
a qualified affiliate is a member of an affiliated group another member of which operates an airline, and
(ii)#
employees of the qualified affiliate who are directly engaged in providing airline-related services are entitled to no-additional-cost service with respect to air transportation provided by such other member,
then, for purposes of applying paragraph (1) of subsection (a) to such no-additional-cost service provided to such employees, such qualified affiliate shall be treated as engaged in the same line of business as such other member.