The Legislature also passed a bill banning untraceable ‘ghost guns’ and sustained the 5 vetoes Gov. Janet Mills has issued so far this year.

Many of the bills advanced by the budget committee either had nominal costs or had their funding reduced, as nearly 300 bills, totalling more than $2 billion in spending over 2 years, competed for only $5 million funding.

Proponents say a court case in Alaska casts doubt on a Maine Law Court advisory opinion that the voting method violates the Maine Constitution.