Negative Commandment #2
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
2. It is a negative commandment not to have chametz (unleavened bread) in a Jew's possession during the seven days of Passover
As it states in Shemos (Exodus) 13:7, "You shall not see chametz... for seven days."
This applies in all places and at all times, for men and for women.