Zerofski's Case

This case involves a claim for workmen’s compensation. The principal issue is whether the Commercial Union Assurance Company (which was the insurer for the employer James J. Gallery, Inc., up to November 1, 1966, on which date the employer became a self-insurer) or the employer-self-insurer was on the risk. The determination of that question turns on whether the employee sustained an in*155jury compensable under G. L. c. 152 during the period after the employer became a self-insurer. The single member found that the employee suffered a compensable aggravation of a condition resulting from an…