Elimu ya naskh ina umuhimu mkubwa kwa wanazuoni wa fiqh (sheria ya Kiislamu) na tafsiri (ufafanuzi wa Qur'ani), ili utekelezaji wa sheria za Kiislamu usichanganyike. Mtu asiyejua hukumu zilizofutwa anaweza kujaribu kuzitekeleza, na kujikuta akifanya mambo ya haramu na kuwaita wengine kwenye haramu.

Knowledge of naskh is of great importance to the scholars of fiqh (Islaamic law) and tafseer (explanation of the Qur’aan), in order that application of Islaamic laws does not become confused. Someone who is ignorant of repealed laws may try to apply them and end up doing haraam acts and calling others to haraam.

Hivyo, imepokewa kwamba siku moja 'Alii ibn Abii Twaalib, Khalifa wa nne, alipita kwa qadhi na kumuuliza kama anajua ni katika sheria zipi naskh ilitokea. Mtu huyo alijibu, "Hapana." 'Alii akamwambia, "Umeangamia na umewaangamiza wengine!" 23 Hata hivyo, inapaswa kufahamika kwamba idadi ya visa halisi vya naskh ni chache sana. Kuna njia tatu tu za kuaminika za kutambua visa hivyo:

Thus, it was reported that once ‘Alee ibn Abee Taalib, the fourth Caliph, passed by a judge and asked him if he knew in which laws naskh had occurred. The man replied, “No.” ‘Alee said to him, “You have perished and caused others to perish!” 23 However, it should be noted that the number of authentic cases of naskh are few and far between. There are only three reliable ways to identify these cases: