But on the first day, if he mistakenly put on tefillin
Question
But on the first day, if he mistakenly put on tefillin, can he keep them on during the prayer?
Answer
He must remove them immediately.
Source
Erech Lechem, Yoreh De'ah, Siman 388, S"K 1 "And if he mistakenly put them on, he removes them even in rabbinic mourning, as proven in the Gemara [Moed Katan 21a] and in the words of the poskim:"
Comments
Have an additional question on this topic or need clarification? Leave your comment below. (Please note that the comment will not be published but will be sent directly to the answering Rabbi for review and a private response)