qualified compensation
(d) Qualified compensation. The term qualified compensation means, for purposes of this section and 1.181-2(c)(2), all compensation (as defined in paragraph (c) of this section) paid or incurred for services performed in the United States (as defined in paragraph (f)(3) of this section) by actors, directors, producers, and other production personnel for the production. A service is performed in the United States for purposes of this paragraph (d) if the principal photography to which the compensated service relates occurs within the United States and the person performing the service is physically present in the United States. For purposes of an animated film or animated television production, the location where production activities such as keyframe animation, in-between animation, animation photography, and the recording of voice acting performances are performed is considered in lieu of the location of principal photography. For purposes of a production incorporating both live action and animation, the location where production activities such as keyframe animation, in-between animation, animation photography, and the recording of voice acting performances for the production is considered in addition to the location of principal photography.