May one make an eruv with a condition (tenai) specifying it should apply to one Shabbat but not another, or to Shabbatot but not Yom Tov?
Synopsis
One may attach conditions to an eruv techumin, specifying which days it applies to. The condition requires the eruv to still be intact during the twilight of any day it is designated to cover.
More in Eruv Tavshilin Procedure
When Yom Tov falls adjacent to Shabbat (or for two days of Yom Tov in the diaspora), can one make two separate eruvei techumin — one for each day — in opposite directions?
3 opinions
Do the two days of Rosh Hashana differ from other diaspora Yom Tov days regarding eruv techumin?
3 opinions
When making an eruv for both days of Yom Tov or Shabbat-Yom Tov, must the eruv be physically present at its location during both twilights?
3 opinions
When acquiring eruv techumin by foot (bein hashmashot) on the second day of a Shabbat-Yom Tov combination, may one verbally declare the eruv?
5 opinions
If one made the eruv with bread on day one, may he use different bread for the eruv on day two?
5 opinions
If one did not make any eruv at all on day one (neither bread nor foot), may he acquire eruv by foot on day two?
2 opinions
When making a two-day eruv in opposite directions, is it required that each eruv location be reachable on the first day?
3 opinions
Is Yom Kippur equivalent to Shabbat regarding both eruv techumin and eruv chatzeirot?
3 opinions
Related from other topics
Does the requirement to juxtapose Redemption to Prayer apply on Shabbat?
Shaliach Tzibbur — Prayer Leader
Should specific prayers be recited before or after Torah reading on Shabbat and Festivals?
Torah Reading (Monday/Thursday)
Under what conditions may a village synagogue be sold, and what restrictions apply to the proceeds?
Synagogue Property Use Restrictions
How should the 'marketplace' condition be interpreted — does it apply only to a marketplace proper or also to one's doorstep facing the street?
Garment Size Requiring Tzitzit
May one make a condition (tenai) on morning handwashing to cover the entire day's eating, even when there is no pressing need (sha'at hadechak)?
Bread Prepared by Non-Jews
Should one cut the bread before or after the blessing on Shabbat?
HaMotzi Blessing
Discussion
Discussion coming soon.
The Daily Law
One question. Every opinion. Every morning.
A new halakhic question and the full spectrum of rabbinic thought, delivered daily.