23 and the sin he has committed becomes known, he must bring as his offering a male goat without defect.

Read Leviticus 4:23 Using Other Translations

Or if his sin, wherein he hath sinned, come to his knowledge; he shall bring his offering, a kid of the goats, a male without blemish:
or the sin which he has committed is made known to him, he shall bring as his offering a goat, a male without blemish,
When he becomes aware of his sin, he must bring as his offering a male goat with no defects.