Section 39.109 - What enforcement actions may be taken under this Part?(a) The Department of Transportation investigates complaints and conducts reviews or other inquiries into the compliance with this Part of PVOs that are Title II entities.(b) As a PVO subject to Title II of the ADA, you must be prepared to provide to the Department of Transportation a written explanation of your action in any situation in which you exclude or restrict an individual with a disability or any mobility or other assistive device used by such an individual with respect to the use of your vessel.(c) The Department of Transportation investigates complaints conducts compliance reviews or other inquiries into the compliance of this Part of PVOs, whether private or public entities, that receive Federal financial assistance from the Department, under section 504 of the Rehabilitation Act of 1973, as amended.(d) The Department may refer any matter concerning the compliance of PVOs with this Part to the Department of Justice for enforcement action.(e) The Department of Justice investigates complaints and conducts reviews or other inquiries into the compliance with this Part of PVOs that are Title III entities.(f) The Department of Justice may file suit in Federal court against both Title II and Title III PVOs for violations of this part.