Exodus 22:28-31 - Regulations Regarding Tribute And Holiness
28 "You shall not curse God, nor curse a ruler of your people.
29 "You shall not delay the offering from your harvest and your vintage The firstborn of your sons you shall give to Me. 30 "You shall do the same with your oxen and with your sheep It shall be with its mother seven days; on the eighth day you shall give it to Me.
31 "You shall be holy men to Me, therefore you shall not eat any flesh torn to pieces in the field; you shall throw it to the dogs.