Opinion of the Justices to the Senate

*609To the Honorable the Senate of the Commonwealth of Massachusetts:

The Justices of the Supreme Judicial Court respectfully submit these answers to the questions contained in an order adopted by the Senate on May 7, 1929, and transmitted on May 9, 1929, copy whereof is hereto annexed.

The first question in substance is whether under the Constitution legislation may be enacted providing that any written contract of employment shall be void unless at the time of making the same a copy be delivered to the employee, or prospective employee, signed by the employer, or prospective employer, or an…