3976 – When the Siddur and Shulchan Aruch of the Alter Rebbe Differ, We Follow the Siddur – כשסידור ושלחן ערוך של אדמו"ר הזקן חלוקים, אנו פוסקים כסידור

The letter addresses a question about discrepancies between the Alter Rebbe's Siddur and his Shulchan Aruch regarding halachic rulings. The Rebbe explains that the rulings in the Siddur, written later, are followed in practice, especially concerning Bein HaShmashos and other topics. https://www.torahrecordings.com/rebbe/igroskodesh/012/003/3976