'Regarding' in the Bible

"If someone sins because he has failed to testify after receiving notice to testify as a witness regarding what he has observed or learned, he is to be held responsible."

"A person sins against the LORD by acting treacherously toward his neighbor regarding something entrusted to his care, regarding security for a loan, robbery, if he has oppressed his neighbor,

Then the priest is to make atonement for him in the LORD's presence, and it will be forgiven him regarding whatever he did."

Then the priest is to offer them one for a sin offering and the other for a whole burnt offering. That's how the priest will make atonement for him in the LORD's presence regarding his discharge."

Then the priest is to offer one for a sin offering and the other for a whole burnt offering. This is how the priest will make atonement in the LORD's presence for her regarding her unclean discharge.

Anyone who eats it will bear the punishment of his sin, since he will have defiled himself regarding the LORD's holy things. That person is to be eliminated from contact with his people."

in addition to the LORD's Sabbath regarding your gifts, your offerings in fulfillment of vows, and your freely given offerings that you will bring to the LORD.

This is what Moses spoke about to the Israelis regarding the LORD's appointed festivals.