Acting Commission Chairman James McHugh signed the license along with representatives from the Las Vegas-based gambling company.
The most important decision for Boston travel and tourism for the next decade will be made this week.
Construction workers attached the final steel beam to the shell of the Plainridge Park Casino in Plainville.
Boston Mayor Marty Walsh on Friday called the Massachusetts Gaming Commission’s decision to strip Boston of its surrounding community status for the planned Everett casino “petty,” saying the commission makes up the rules as it goes.
Wynn Resorts’s proposed deal is much smaller than Mohegan Sun’s.
Mayor Walsh says he’s reached a financial compensation agreement with Mohegan Sun as the casino proposes a $1.3 billion casino at Suffolk Downs.
Massachusetts Secretary of the Commonwealth William Galvin has announced the order of questions on the November ballot.
State gambling regulators have turned down Boston’s request to halt the eastern region casino license process until after the November election, when voters will decide whether to repeal the state’s casino law.
Marty Walsh on Thursday said he does not want to spend tax money on casino issues since the law could be repealed.
Massachusetts’ highest court says voters will be allowed to decide whether to keep the state’s casino gambling law.
The Supreme Judicial Court ruled Tuesday that a measure calling to repeal the 2011 law can appear on the November ballot.