Q. This year's Shabbos Erev Pesach, one may not touch the Matza Shemura since one can not eat it. So how can one make the eruv for carrying beginning on this Shabbos that is placed for a Shabbos that it can't be used?
A. Indeed Pri Megodim (E'A 308: 10 and 444: 1) rules that Matza on this Shabbos is muktza. machmas chissaron kis. since the matza can easily break (This is a kind of muktza usually intended for items that are expensive or fragile, and because of the possible loss involved, one abstains from using them)
However, as Yalkut Yosef (Erev Pesach on Shabbat 444: 25) maintains that it only applies to Matza Shemura that one uses for the seder and not to regular matza that one can give children. See also Beer Moshe (8: 71) who is likewise lenient.
Therefore, one may use for the Eruv, matza not set aside for consuming during the Pesach seder.
Rabbi A. Bartfeld as advised by Horav Shlomo Miller and Horav Aharon Miller Shlit'a