Leviticus 1:3
If one's offering is a burnt offering from the herd, he is to offer an unblemished male. He must bring it to the entrance of the Tent of Meeting for its acceptance before the LORD.

Leviticus 22:19
must offer an unblemished male from the cattle, sheep, or goats in order for it to be accepted on your behalf.

Leviticus 22:20
You must not present anything with a defect, because it will not be accepted on your behalf.

Numbers 28:19
Present to the LORD an offering made by fire, a burnt offering of two young bulls, one ram, and seven male lambs a year old, all unblemished.

Numbers 29:8
Present as a pleasing aroma to the LORD a burnt offering of one young bull, one ram, and seven male lambs a year old, all unblemished,

Deuteronomy 17:1
You shall not sacrifice to the LORD your God an ox or a sheep with any defect or serious flaw, for that is detestable to the LORD your God.

Malachi 1:8
"When you offer blind animals for sacrifice, is it not wrong? And when you present the lame and sick ones, is it not wrong? Why not offer them to your governor! Would he be pleased with you or show you favor?" asks the LORD of Hosts.