Do You Need To Stand Up When The Aron Kodesh Is Open?
During Rosh HaShanah davening the Aron Kodesh is opened many time when we say Piyutim. Are you required to stand up when the Aron is opened? The Taz (YD 242:13) says that you do not need to stand because while the Sefer Torah is inside the Aron it is considered to be in a different Reshus and not in the place as where you are sitting.
The Pri Megadim says that even if it is considered to be in your Reshus, since the Torah is at rest and hasn't moved from its place you need not stand. He goes as far as saying that if the Chazan holds the Sefer Torah for Hazkaras Neshamos it is also considered in its place and there is no obligation to stand.
However the opinion of the Panim Me'iros and the Chasam Sofer is that one must stand when the Aron is opened. (Minhag Yisroel Torah OC 585:5)
Important Note: We bring this tshuvah as a starting point for discussion and not to convey any halacha. We try to convey the Tshuva to the best of our ability. We admit that our understanding may not be accurate. One should learn the tshuva to verify the accuracy of our interpretation. Please understand that this Tshuva may not be the final word on this topic. One should consult a Rav before drawing any conclusions.