- Customs of Pronunciation and Wording
Is the "Nusach Ari-Zal" in the Chabad Siddur Tehillas Hashem the original Nusach of The Ari, or is it a Nusach exlusively for Chabad?
There are differing halachic opinions as to what is the true Nusach HaAri. The Admor Hazaken of Chabad felt it was the Nusach adopted in the siddur of Chabad. Rav Ovadya Yosef writes that it is the Nusach used by "Edot Hamizrach".