Chapter 24
Laws Relating to the Erection of Protective Shelters and of Partitions on Shabbath and Yom Tov
TEMPORARY PROTECTIVE SHELTERS
15.a. 1) Our greatest halachic authorities saw fit to extend the prohibition against the erection of a protective shelter to the opening of umbrellas or parasols on Shabbath or Yom Tov.
2) Just as one should not open them, so should one not fold them up.
3) Moreover, one should not use an umbrella or a parasol,
a) even if it has been open since before the beginning of Shabbath or Yom Tov and
b) even in a place where there is an
15.b. On the other hand, one may open and close
1) a garden sunshade which has been fixed into the ground since before Shabbath or Yom Tov or
2) an awning over a balcony, a porch or a shop window. (Compare paragraph 13a above.)

