Charles Ellicott Commentary Leviticus 19:21

"And he shall bring his trespass-offering unto Jehovah, unto the door of the tent of meeting, even a ram for a trespass-offering." — Leviticus 19:21 (ASV)

And he shall bring his trespass offering. —Unlike the woman, the man had to bring this sacrifice under any circumstances, whether he sinned ignorantly or presumptuously. She was exempted from offering a sacrifice because she was her master’s property, and not being her own, she had no property.

Unto the door of the tabernacle of the congregation. —Better, to the entrance of the tent of meeting, where all the sacrifices were brought. (See Leviticus 17:4-5.) The ram here prescribed was the usual animal for such a sacrifice. (See Leviticus 5:17-18.)