The commissioner may prescribe to what extent any ruling or decision may be applied without retroactive effect.
Mass. Gen. Laws ch. 151A, § 70
Extent of application of rulings
Known as the Unemployment Insurance Law
The act spans §§ 151A-1 to 151A-9 (136 sections).
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.