Chp. 15 verse 7 - Chp. 16 verse 17: Laws of helping the poor. The laws of the hebrew slave. The laws of the firstborn of your flock. Chp. 16, Reviews the laws of Pesach, Shevuous, and Succos. Moshe empahasized that every male Israelite was to make a pilgrimage three times a year to the Sanctuary, bringing with him sacrifices, each person according to his means.