Or. Const. art. IV, § 23
The Legislative Assembly, shall not pass special or local laws, in any of the following enumerated cases, that is to say:—
Regulating the jurisdiction, and duties of justices of the peace, and of constables;
For the punishment of Crimes, and Misdemeanors;
Regulating the practice in Courts of Justice;
Providing for changing the venue in civil, and Criminal cases;
Granting divorces;
Changing the names of persons;
For laying, opening, and working on highways, and for the election, or appointment of supervisors;
Vacating roads, Town plats, Streets, Alleys, and Public squares;
Summoning and empanneling grand, and petit jurors;
For the assessment and collection of Taxes, for State, County, Township, or road purposes;
Providing for supporting Common schools, and for the preservation of school funds;
In relation to interest on money;
Providing for opening, and conducting the elections of State, County, and Township officers, and designating the places of voting;
Providing for the sale of real estate, belonging to minors, or other persons laboring under legal disabilities, by executors, administrators, guardians, or trustees.—
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