Besides the weeks of cleaning is the essential search the night before Passover.

1. When should bedikas chametz be done?

At nightfall on the evening of the fourteenth of Nissan.

2. What if a person is unable to begin the search at nightfall?

He should begin as soon as possible.

3. When should one daven Maariv?

The custom is to daven Maariv at nightfall and do bedikas chametz immediately afterwards.

4. What if a person is usually at work at nightfall?

Every effort should be made to start bedikas chametz at nightfall. Therefore, a person should leave his place of work before nightfall in order to do bedikas chametz on time.

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