GOD'S WORD® Translation
Aaron and his sons must wear them when they go into the tent of meeting or when they come near the altar to serve as priests in the holy place. Then they will be blameless and won't die. "This is a permanent law for him and his descendants."

American Standard Version
And they shall be upon Aaron, and upon his sons, when they go in unto the tent of meeting, or when they come near unto the altar to minister in the holy place; that they bear not iniquity, and die: it shall be a statute for ever unto him and unto his seed after him.

Berean Study Bible
Aaron and his sons must wear them whenever they enter the Tent of Meeting or approach the altar to minister in the Holy Place, so that they will not incur guilt and die. This is to be a permanent statute for Aaron and his descendants.

Douay-Rheims Bible
And Aaron and his sons shall use them when they shall go in to the tabernacle of the testimony, or when they approach the altar to minister in the sanctuary, lest being guilty of iniquity they die. It shall be a law for ever to Aaron, and to his seed after him.

English Revised Version
and they shall be upon Aaron, and upon his sons, when they go in unto the tent of meeting, or when they come near unto the altar to minister in the holy place; that they bear not iniquity, and die: it shall be a statute for ever unto him and unto his seed after him.

King James Bible
And they shall be upon Aaron, and upon his sons, when they come in unto the tabernacle of the congregation, or when they come near unto the altar to minister in the holy place; that they bear not iniquity, and die: it shall be a statute for ever unto him and his seed after him.

World English Bible
They shall be on Aaron, and on his sons, when they go in to the Tent of Meeting, or when they come near to the altar to minister in the holy place; that they don't bear iniquity, and die: it shall be a statute forever to him and to his descendants after him.

Young's Literal Translation
and they have been on Aaron and on his sons, in their going in unto the tent of meeting, or in their drawing nigh unto the altar to minister in the sanctuary, and they do not bear iniquity nor have they died; a statute age-during to him, and to his seed after him.

Exodus 28:43 Additional Translations ...