If, after such notice, a person whose consent is required does not appear and object to the adoption, the court may act upon the petition without his consent, subject to his right of appeal, or it may appoint a guardian ad litem with power to give or withhold consent.
Mass. Gen. Laws ch. 210, § 5
Failure to object after notice; proceedings
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.