The desire to control migration was cited as a major reason behind the system in the edict which established the hopae law. However, it was abandoned only three years later in 1416, after the completion of the new household registry; this may have been because the hopae were no longer necessary after the completion of the registry, or the opposition which commoners demonstrated to the requirement of carrying hopae.
The system was based on the aim to govern population movement, as expressed in the decree that introduced the hopae law. Nevertheless, it was abandoned three years later in 1416, following the completion of a new household record; this may have been because the hopae were no longer necessary after the registry's completion, or the opposition which commoners demonstrated to the requirement of carrying them.