Do Not Have Leaven in Your Possession on Passover
Beyond Not Eating — Removing Chametz from the Domain
Exodus 13:7: “Unleavened bread shall be eaten for seven days; no leavened bread shall be seen with you, and no leaven shall be seen with you in all your territory.” The prohibition on chametz possession is a distinct commandment from the prohibition on eating chametz (#471). Not eating chametz could theoretically be satisfied by simply not consuming it — leaving it on the shelf and walking past it. Commandment #472 closes that loophole: during Passover, chametz cannot be present in one’s possession at all. It must be actively removed, not merely avoided.
The verb “lo yera’eh lecha” (it shall not be seen by/with you) is striking: the Torah uses visual presence as the legal standard of possession. If chametz is still visible in your domain, you have not yet completed the required act of separation. The rabbis derived from this that a thorough search is required before Passover: not merely disposing of obvious chametz, but checking every place where chametz might have been brought or hidden.
Bedikat Chametz — The Night Search
The pre-Passover search for chametz (bedikat chametz) is performed the night of the 13th-14th of Nissan by candlelight. The use of candlelight — a single flame rather than bright electric light — mirrors the methodology of ancient search: the flickering light penetrates corners and crevices that might be missed in broad daylight. The search goes through every room, every closet, every pocket and drawer where chametz might have reached. Traditionally, ten pieces of bread are hidden before the search so that the blessing recited over the search is not said in vain if no chametz is found.
After the search, the chametz found is set aside for burning (biur chametz) the following morning. The householder then recites the bitul (nullification) declaration: “All leaven or anything leavened which is in my possession, which I have not seen and have not removed, and about which I am unaware, shall be considered nullified and ownerless as the dust of the earth.” This declaration removes the chametz from legal ownership even if some piece was missed, satisfying the “not seen with you” requirement through renunciation rather than physical elimination.
Ownership as the Operative Category — Leaven in Your Territory
Exodus 12:7: “No leaven shall be found in your houses for seven days.” The standard is ownership and control, not mere physical location. Chametz in a non-Jew’s possession that happens to be stored in a Jew’s house does not violate the prohibition — the Jew does not own it. Conversely, chametz owned by a Jew but stored in a non-Jew’s house does violate the prohibition, because the Jew is still the owner. The legal structure focuses on ownership (ba’alut) as the operative category: the Passover domain is defined by what belongs to the Israelite, not merely what is physically present.
This ownership-based standard is what enables the institution of mechiras chametz — the sale of chametz to a non-Jew before Passover. A genuine legal transfer of ownership removes the chametz from the Jew’s domain, even if it remains physically in the house (locked and set apart). The prohibition’s focus on ownership rather than physical presence creates a legal mechanism for handling large quantities of chametz — such as a factory or restaurant — through a valid sale rather than destruction.
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