halacha - Lechem Mishneh by the Third Shabbos Meal

Is one required to have Lechem Mishneh by the Third Shabbos Meal?

Answer

One should have Lehem Mishneh by Seudas Shlishis and it is preferable to have Lehem Mishneh by any meal one has on Shabbos, even if he decides to have a fourth or fifth meal as well!

Shulhan Aruch, Orach Haim, Siman 291, S'if 4