The Law prescribed the arrangement for approach to God through an appointed priesthood. Some Levites were assigned to act as priests on behalf of the people.
بَعْدَمَا أَنْقَذَ يَهْوَه أُمَّةَ إِسْرَائِيلَ مِنْ مِصْرَ ،‏ أَعْطَاهُمْ عَهْدَ ٱلشَّرِيعَةِ .‏