Chapter 111 – The Search for Leaven
111.1) On the eve of Passover, search for leaven immediately after nightfall.
111.2) Use only one wax candle for the search.
111.3) Search for leaven in all rooms and vessels.
111.4) Do not search in stalls or coops.
111.5) Search all nooks and crannies with care.
111.6) Search the rooms of non-Jews as well as those of Jews.
111.7) Say the benediction, “Who hath sanctified us by His commandants and hath commanded us concerning the clearing of leaven,” before beginning your search.
111.8) Put some crumbs of bread where the searchers will find them in case no leaven is found.
111.9) Put away all leaven before the search.
111.10) Nullify the leaven immediately after the search.
111.11) Nullify the leaven again in the morning.
111.12) Transform rooms with fruit, wood or other articles into a storeroom before the search.
111.13) There are rules about when and if you need to search the storeroom. (See source for details, or consult a rabbi.)
111.14) If unleavened wheat is stored in a silo for 30 days prior to Passover, you need not search.
111.15) Within 30 days of Passover, do not throw out grain to fowls.
111.16) Hire or appoint an agent to search and nullify leaven if you go on a journey around Passover.
111.17) If you find leaven in your house at Hol Hammoed (intermediate days of Pesach (Passover) and Sukkot (one of Judaism’s three central harvest festivals)).