A United States federal investigation has found labour violations at the Commonwealth of the Northern Marianas hospital.
The U.S. Department of Labor says a total of 101 employees at the Commonwealth Health Center had not been paid properly for work between January 2010 and January 2012.
The agency says they are owed back wages totalling more than 100 thousand US dollars.
Many of the employees are nurses who work beyond their scheduled shifts.
It was also found some employees were not paid for mandatory staff meetings or training courses, or had meal breaks deducted even when those breaks were interrupted.
The Commonwealth Health Corporation has agreed to take steps to ensure it complies with labour laws.