Title III creates a private cause of action and authorizes U.S. nationals with claims to confiscated property in Cuba to file suit in U.S. courts against persons that may be "trafficking" in that property. The Act grants the President the authority to suspend the lawsuit provisions for periods of 6 months if it is necessary to the national interest of the United States and will expedite a transition to democracy in Cuba. ,[6] pursuant to a non-binding declaration of intention in April 1997 that came out of a trade dispute with the European Union.[7] The filing fee for the Title III action is set by US Courts at $6,355 (January 2015),[8] a level that would discourage all but very serious claims.

https://en.wikipedia.org/wiki/Helms%E2%80%93Burton_Act