Q. In the situation above is there a need to provide a different Seder plate for the son?
A. Horav Dovid Pam and Horav Aharon Miller Shlit’a maintain that one plate at the center of the table suffices.
Horav Shlomo Miller’s Shlit’a opinion is similar.
Rabbi A. Bartfeld as revised by Horav Dovid Pam, Horav Aharon Miller and Horav Chanoch Ehrentreu Shlit’a