26 and Joseph setteth it for a statute unto this day, concerning the ground of Egypt, [that] Pharaoh hath a fifth; only the ground of the priests alone hath not become Pharaoh's.
26
So Joseph established it as a law concerning land in Egypt—still in force today—that a fifth of the produce belongs to Pharaoh. It was only the land of the priests that did not become Pharaoh’s.
Young's Literal Translation is in the public domain.