This volume serves as the official liturgical standard for the Church of Ireland, providing the authorized texts for public worship and private devotion. It integrates the foundational Book of Common Prayer with the Church Hymnal to facilitate a unified experience of Anglican liturgy and musical tradition.

Clergy and lay members of the Church of Ireland utilize this text as the primary reference for all sacramental and daily services. It is recognized as the definitive source for maintaining liturgical consistency across the denomination.