800. Prayer on Erev Pesach

112:6 All utensils that were not kashered for Pesach must be scrubbed thoroughly on erev Pesach before the sixth hour of the day, then washed so that there is no visible chometz on them. These should be put away in a secluded place, where one would not normally go on Pesach. It is best to lock them up in a designated room and hide the key until after Pesach.

113:1 On erev Pesach, Mizmor l’Sodah (Psalm 100) and Lamnatzeah (Psalm 20) are not recited in the morning service.