18 U.S.C. § 2251A - U.S. Code - Unannotated Title 18. Crimes and Criminal Procedure § 2251A. Selling or buying of children

(1) with knowledge that, as a consequence of the sale or transfer, the minor will be portrayed in a visual depiction engaging in, or assisting another person to engage in, sexually explicit conduct; or

(2) with intent to promote either--

(1) with knowledge that, as a consequence of the purchase or obtaining of custody, the minor will be portrayed in a visual depiction engaging in, or assisting another person to engage in, sexually explicit conduct; or

(2) with intent to promote either--

(1) in the course of the conduct described in such subsections the minor or the actor traveled in or was transported in or affecting interstate or foreign commerce;

(2) any offer described in such subsections was communicated or transported using any means or facility of interstate or foreign commerce or in or affecting interstate or foreign commerce by any means including by computer or mail; or

(3) the conduct described in such subsections took place in any territory or possession of the United States.