The purpose of 430 C MR 4.71 throug h 430 CMR 4.78, i nclusive, is to establish proce dures and interpr et the standa rds for de nial of bene fits for leav i n g subsidiary part-time wor k. Such standards implement the decision of the Supreme J udicial Court in the case of Susan Emerson v. Direc tor DES, 393 Mass. 351 (1984).
430 CMR, § 4.71