Exodus 34:20
20 The ffirstborn of a donkey you shall redeem with a lamb, or if you will not redeem it you shall break its neck. All the firstborn of your sons you shall redeem. And gnone shall appear before me empty-handed.
Deuteronomy 16:16
16 b“Three times a year all your males shall appear before the Lord your God at the place that he will choose: at the Feast of Unleavened Bread, at the Feast of Weeks, and at the Feast of Booths. cThey shall not appear before the Lord empty-handed.