Laws in New York State recently changed regarding days off, overtime pay, and vacation days. Perhaps this applies to US flagged yachts?

Domestic Workers’ Bill of Rights
Among other provisions, this law gives domestic workers:ATTENTION ALL DOMESTIC WORKERS AND EMPLOYERS OF DOMESTIC WORKERS: 
A LAW TOOK EFFECT NOVEMBER 29, 2010 THAT AFFECTS YOU

• The right to overtime pay at time-and-a-half after 40 hours of work in a week, or 44 hours for workers who live in their employer’s home;
• A day of rest (24 hours) every seven days, or overtime pay if they agree to work on that day;
• Three paid days of rest each year after one year of work for the same employer; and
• Protection under New York State Human Rights Law, and the creation of a special cause of action for domestic workers who suffer sexual or racial harassment.