Acting Commission Chairman James McHugh signed the license along with representatives from the Las Vegas-based gambling company.
The Massachusetts state gaming commission voted Tuesday to award the eastern Massachusetts casino license to Wynn Resorts for its plan in Everett.
State gambling regulators were to resume discussions on awarding the Boston-area casino license to Wynn Resorts or Mohegan Sun.
As the Massachusetts Gaming Commission begins deliberations on licensing a Boston-area casino, the panel’s chairman revealed he likes a Revere plan better than one proposed for Everett.
Mohegan Sun has proposed a $1.3 billion casino on the Revere side of the Suffolk Downs horse racing track and Wynn Resorts has proposed a $1.6 billion casino on a former chemical plant site in Everett.
Wynn Resorts says it has signed agreements with four more Boston-area communities as it seeks to build a $1.2 billion resort-style casino in Everett.
Boston bid for host status may keep state from collecting $85 million fee this fiscal year.
An overflow crowd packed the Boston convention center on Wednesday to hear Mohegan Sun and Wynn Resorts make high-powered pitches.
State gambling regulators have cleared Wynn Resorts to pursue a proposed $1.2 billion resort casino in Everett.
In a landslide Saturday, Everett voters approved an agreement between the city and Wynn Resorts to build a $1.2 billion resort hotel along the Mystic River, the company reported in a prepared statement.