Chapter 17
Principles of the Laws Relating to the Transfer of Objects from One Place to Another
LAWS OF EIRUV CHATZEIROTH AND SHITUFEI MEVO’OTH (TRANSFERS INVOLVING PROPERTY OWNED IN COMMON)
21.a. It is important for every community to make shitufei mevo’oth, wherever the possibility exists, in order to save the public from transgressing the prohibitions against the transfer of objects on Shabbath, but,
21.b. as previously mentioned, it is essential that a properly qualified rabbinical authority be consulted, both with regard to the way in which a real or nominal* partition should be erected around the area and concerning all the other details indispensable for the validity of shitufei mevo’oth.
22.a. A mere nominal* partition cannot be used to make shitufei mevo’oth
1) in an area which is reshuth ha-rabbim, as defined in paragraph 3 above, or even
2) in the case of a road which is thirteen and one-third amoth or more wide and leads into reshuth ha-rabbim in both directions.
22.b. Consequently, there is no practicable way of making shitufei mevo’oth to permit the transfer of objects in the main streets of very large cities.
22.c. 1) However, even in large cities, one can make shitufei mevo’oth or an eiruv chatzeiroth in order to permit the transfer of objects between a number of apartments or houses or in a particular vicinity, as mentioned in paragraph 19 above, but
2) this is possible only if the area covered is not traversed either
a) by reshuth ha-rabbim or
b) by a road thirteen and one-third amoth or more in width, leading into reshuth ha-rabbim at both ends.
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*See paragraph 25 below.

