Therefore, this is the word that you shall do
Other versions
King James Version
This is the thing that ye shall do; A third part of you entering on the sabbath, of the priests and of the Levites, shall be porters of the doors; English Standard Version
This is the thing that you shall do: of you priests and Levites who come off duty on the Sabbath, one third shall be gatekeepers,New International Version
Now this is what you are to do: A third of you priests and Levites who are going on duty on the Sabbath are to keep watch at the doors,