22 U.S.C. § 7102(4) (2010) (Title 22: Foreign Relations and Intercourse—Chapter 78: Trafficking Victims Protection)
In this division:
(4) Debt bondage. The term "debt bondage" means the status or condition of a debtor arising from a pledge by the debtor of his or her personal services or of those of a person under his or her control as a security for debt, if the value of those services as reasonably assessed is not applied toward the liquidation of the debt or the length and nature of those services are not respectively limited and defined.