Negative Commandment #149
Sefer Ha’mitzvos Ha’Katzar (The concise book of mitzvos)
By the Chofetz Chaim
This book lists the Torah mitzvos that can be observed today
Second Section – the Negative Commandments
149. It is a negative commandment "do not do any work on the holiday of Shavuos"
As it states in Vayikra (Leviticus) 23:21, "You shall call this day a day of holiness for you. You shall not do any work."
This applies in all places and at all times, for men and for women.