In December 1998, Canada requested arbitration under to Article 21.3(c) of the Dispute Settlement Understanding (DSU) "to determine the reasonable period of time for implementation of the recommendations of the DSB."[1] The Article 21.3(c) Arbitration Report was circulated in February 1999; it determined that the reasonable period of time for implementation was eight months (i.e., the period ending on 6 July 1999).[3]