Ezekiel 46:12

But when the prince will offer a voluntary holocaust or a voluntary peace offering to the Lord, the gate which looks toward the east shall be opened to him. And he shall offer his holocaust and his peace offerings, just as is usually done on the Sabbath day. And he shall depart, and the gate shall be closed after he has gone out

Other versions

King James Version

Now when the prince shall prepare a voluntary burnt offering or peace offerings voluntarily unto the LORD, one shall then open him the gate that looketh toward the east, and he shall prepare his burnt offering and his peace offerings, as he did on the sabbath day: then he shall go forth; and after his going forth one

English Standard Version

When the prince provides a freewill offering, either a burnt offering or peace offerings as a freewill offering to the LORD, the gate facing east shall be opened for him. And he shall offer his burnt offering or his peace offerings as he does on the Sabbath day. Then he shall go out, and after he has gone out the gate shall be shut.

New International Version

When the prince provides a freewill offering to the LORD -whether a burnt offering or fellowship offerings-the gate facing east is to be opened for him. He shall offer his burnt offering or his fellowship offerings as he does on the Sabbath day. Then he shall go out, and after he has gone out, the gate will be shut.