It should start on Purim, as the basis is probably shloshim Yom kodem hachag… http://hebrewbooks.org/pdfpager.aspx?req=916&st=&pgnum=273
It should also only apply to matza you can be yotzei with, as ubiquitin and flatbusher said.
It should start on Purim, as the basis is probably shloshim Yom kodem hachag… http://hebrewbooks.org/pdfpager.aspx?req=916&st=&pgnum=273
It should also only apply to matza you can be yotzei with, as ubiquitin and flatbusher said.