In wards or towns where voting is by precincts at elections but by wards or towns at primaries, the city or town clerk shall designate which of the election officers shall serve as primary officers.
Mass. Gen. Laws ch. 53, § 30
Designation of primary officers; wards or towns
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.