California Code, Penal Code - PEN § 181

Every person who holds, or attempts to hold, any person in involuntary servitude, or assumes, or attempts to assume, rights of ownership over any person, or who sells, or attempts to sell, any person to another, or receives money or anything of value, in consideration of placing any person in the custody, or under the power or control of another, or who buys, or attempts to buy, any person, or pays money, or delivers anything of value, to another, in consideration of having any person placed in his or her custody, or under his or her power or control, or who knowingly aids or assists in any manner any one thus offending, is punishable by imprisonment pursuant to subdivision (h) of Section 1170 for two, three or four years.