Exodus 23:14-19 - Laws For Three Festivals
14 Three times thou shalt keep a festival to me in the year. 15 Thou shalt watch the festival of unleavened: seven days shalt thou eat unleavened as I commanded thee according to the appointment of the month Abib; for in it thou camest forth out of Egypt: and they shall not be seen before me empty. 16 And the festival of the harvest, the first fruits of thy works, which thou shalt sow in the field: and the festival of gathering in the going out of the year, in thy gathering thy works out of the field. 17 Three times in the year every male of thine shall be seen to the face of the Lord Jehovah.
18 Thou shalt not sacrifice upon leaven: the blood of my sacrifice, and the fat of my festival shall not remain over till morning.
19 The sacrifice of the first fruits of thy land thou shalt bring to the house of Jehovah thy God. Thou shalt not boil a kid in his mother's milk.