FMC complaints commonly arise when ocean carriers, freight forwarders, or non-vessel-operating common carriers (NVOCCs) impose improper fees, refuse to release cargo, or engage in discriminatory practices. In recent years, disputes involving demurrage and detention charges have increased dramatically at major Gulf Coast ports such as the Port of Houston, where supply chain congestion can trigger large storage fees and cargo delays.

A formal FMC complaint can seek monetary damages and regulatory relief when carriers violate federal shipping regulations. Common violations include:

Unlike informal disputes with carriers, FMC proceedings operate similarly to federal litigation. Complaints may involve written discovery, motion practice, and hearings before an administrative law judge. Because these claims arise under federal shipping regulations, it is important for businesses to evaluate their rights quickly before contractual deadlines or regulatory limitations expire.