At a meeting of American and Canadian Reform leaders held in Toronto in June 1966 , an announcement was made that the CCAR 's Committee on Liturgy would begin a " re-evaluation and research " process aimed at a rewrite of the '' Union Prayer Book '' At the 78th annual meeting of the CCAR in June 1967 , held at The Ambassador Hotel in Los Angeles , discussions were undertaken regarding a replacement or revision of the '' Union Prayer Book '' . Rabbi Joseph Narot , who had been working on the project , described how the '' Union Prayer Book '' had been last updated 30 years prior , " before the Nazi holocaust , before the atomic bomb and before the space age " and that it did not address " the theological and moral questions that have been raised by these momentous issues " . A study of the prayer book by Rabbi Jack Bemporad included sharp criticism of several aspects of the '' UPB ''
the Nazi holocaust
The Holocaust
Union Prayer Book