22 CFR § 94.4
Prohibitions
November 19, 2020
(a) The U.S. Central Authority is prohibited from acting as an agent or attorney or in any fiduciary capacity in legal proceedings arising under the Convention. The U.S. Central Authority is not responsible for the costs of any legal representation or legal proceedings nor for any transportation expenses of the child or applicant. However, the U.S. Central Authority may not impose any fee in relation to the administrative processing of applications submitted under the Convention.
(b) The U.S. Central Authority shall not be a repository of foreign or U.S. laws.