No bond required to be given to a judge of probate or to be filed in a registry of probate shall be sufficient, unless it has been examined and approved by the judge or register, and his approval over his official signature written thereon.
Mass. Gen. Laws ch. 205, § 10
Approval by judge or register
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.