As I understand, the verse in Yeshayahu (58:13) states that one must refrain from Daber Davr on Shabbat, from which we learn the halacha that one should not discuss monetary matters on Shabbat (Shabbat 113a-b).

With that in mind, why are shuls allowed to have appeals and aliyah auctions and requests for a verbal monetary pledge from the oleh on Shabbat? Isn't this Daber Davr?

What are the criteria / restrictions on this halacha? Can the shul have any type of auction or appeal on Shabbat?



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