Commonwealth v. Corbin

*978On May 19, 1986, the defendant, then incarcerated in Arizona, filed a proper request with the Arizona correctional authorities under the Interstate Agreement on Detainers Act (Act), St. 1965, c. 892, for disposition of the Massachusetts indictments. Under art. III(a) of the Act, the defendant was entitled to be tried on the charges within 180 days of May 19, 1986. Commonwealth v. Martens, 398 Mass. 674, 677 (1986).1 That period expired (without taking into account excluded periods) without trial on November 15,1986. The defendant filed a motion to dismiss the indictments on December 18, 1986…