Note:
BCP is short for Book of Common Prayer - The "BCP" has been the worship book of the Anglican Church since its inception in 1549. Commonly called the "prayer book" and often abbreviated as the BCP, the Book of Common Prayer is a collection of classic prayers, devotions, services and psalms that developed from the rites of the 16th Century and uses that century's language of that century. Many people continue to find its measured cadences attractive, and it remains the church's official prayer book.
BAS is short for Book of Alternate Services - The BAS is the contemporary, inclusive-language liturgical book and has become the primary worship text for Sunday services and other major liturgical celebrations of the Anglican Church of Canada. 2010 marks the 25th anniversary of its publication.