As well as red flagging countries with low tax rates, the European commission scorecard highlights 57 jurisdictions, including Hong Kong, Panama and Qatar, over concerns about low levels of financial transparency.
Under maritime law, ships fall under the jurisdiction of the admiralty courts of their flag country.
Tourism revenues have flagged, the country has faced rice shortages and its sugar crop has been disastrous.
The CandyShell cases, which cost $35, come in a variety of colors and designs, some commemorating holidays, flags, countries and even bridges.
If the boat's behaviour or its records throw up any red flags, countries can choose to block it, Curtis explains.
A set of PSI interdiction rules offers some assurance: action will take place only with government consent in territorial waters and, on the high seas, only with flag-country approval.
Private auditors, hired by cruise operators, perform frequent safety reviews, including comprehensive annual checks that last seven to 10 days, he said, and flag countries like the Bahamas or Panama, where most cruise ships are registered, provide their own oversight.
A further knot: Emaar is in a $500 million real estate development deal in Damascus, Syria one of five red-flag countries in the recently passed House bill.
Adjusted targets can also flag countries that have surpassed their potential, and open opportunities for learning from success.
Ireland's Taoiseach also chips in a few supporting words, flagging up the country's "young, passionate and talented workforce".
