Complex sentence: Discussions between the SSPX and the Holy See have been in progress for some years, and in January 2009 the Prefect of the Congregation for Bishops remitted the excommunications which the Congregation had declared to have been incurred by the Society's bishops in 1988.
Split into simpler sentences: Discussions between the SSPX and the Holy See have been in progress for some years. In January 2009 the Prefect of the Congregation for Bishops remitted the excommunications which the Congregation had declared to have been incurred by the Society's bishops in 1988.