Maaseh Rav Siman 27
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
מותר לישב בפסוקי דזמרה עד הקדיש שקודם ברכו:
Sefaria Community Translation
One may sit during the Verses of Praise until the kaddish before Barchu.