In any proceeding provided for under this chapter, the competent authority may order the person or organization responsible for international traffic in minors to pay the costs and expenses of locating and returning the minor if such person or organization is a party to the proceeding. A person or authority lodging a request for the return or, where applicable, the competent authority may bring a civil action to recover costs, including legal fees and the expenses of locating and returning the minor, unless said costs were already assessed in a criminal proceeding or a proceeding under this chapter. The competent authority or any injured person or authority may bring a civil action for damages against the persons or organizations responsible for the international traffic in minors involving the minor.