MISHNA BERURAH YOMI MISHNA BERURAH DIRSHU CHELEK 2 SEPTEMBER 5

S"A SIMAN 170 SIF 5 MISHNA BERURA SIF KATAN 16 However,/ if the guest abstains from some custom and does so because there is /a question of transgression of some/ prohibition connected /with the custom/, he is not obliged to obey the head of the household /if he instructs him/ to break /his custom/. MISHNA BERURA DIRSHU CHELEK 2 Q:YOU ARE CAREFUL ABOUT EATING NON JEWISH BREAD BUT YOUR FRIEND ISNT AND YOUR EATING BY HIS HOUSE A:THIS IS A MACHLOKES THE S"A AND REMA IN Y"D SIMAN 112 SIF 15.THE S"A SAYS YOU CAN EAT WITH THEM B/C BREAD IS THE IKER PART OF THE MEAL and WE ARE ONLY WORRIED ABOUT QUARRELING AND HATRED(AIVA AND KITTTA) OF NON JEW.THE REMA ARGUES and SAYS WE DONT LEARN FROM OTHER ISURIM SO YOUR NOT CIEV TO BE OVER YOUR MINHAG.(SEE NOTE 15)