MISHNA BERURAH YOMI MISHNA BERURAH DIRSHU CHELEK 2 OCTOBER 29

S"A SIMAN 183 SIF 3 MISHNA BERURA SIF KATAN 11 Likewise, if the body of the cup is whole and only its base is broken, one should also avoid /using it/, even though it is capable of standing on its base. /However,/ if one does not have another /cup/ one may be lenient with respect to all these 3 /faults/. MISHNA BERURA DIRSHU CHELEK 2 Q:CAN A DISPOSABLE CUP BE USED FOR A COS SHEL BRACHA? A:RAV MOSHE IN IGROS MOSHE MINCHAS YITZCHAK AND THE STEIPLER SAY DONT USE IT UNLESS YOU HAVE NOTHING ELSE BUT RAV SHEINBERG RAV SHLOMO ZALMAN AURBACH AND RAV WOSNER SAY YOU CAN USE IT.RAV NISAN KERELITZ SAYS YOU CAN USE THEM MADE OF PLASTIC B/C THE MINHAG HOLAM IS TO USE THEM MORE THEN ONCE B/4 THROWING IT OUT.(FOR MORE SEE NOTE 7)