The priests became caretakers of the official copy of the Law. They authorized and supervised the writing of subsequent copies. ​ — Deuteronomy 17: 18, 19; 31: 10, 11.
Preestrite kätte usaldati käsuõpetuse ametlik eksemplar ning nemad hoolitsesid selle eest, et käsuõpetusest tehtaks vajalikul hulgal koopiaid.