schmuel yosef asked:
what laws of beit shammai rule us today?
schmuel yosef,
The Kollel replies:
See Tosfos in Sukah (3a, DH "d'Amar Lecha Mani") for a discussion among the Rishonim regarding when the Halachah is like Beis Shamai.
All the best,
Yaakov Montrose