Although the 1928 Civil Code Project never came into force, it is considered to be the most important pre-WWII civil codification instrument, referred also in the legal practice, which was undeniably a high quality text with real scientific value. The proposed Civil Code also served as a model and point of reference for the two subsequent Hungarian Civil Codes (Law IV of 1959 and Law V of 2013, the later still in force). The project signaled the passing the borderline between a historical customary law and a codified private law. Its fate reflects all the difficulties of this transition. Conjuring this development and knowing the fate of this still of practical use today: on one hand we can identify the historical roots of continuity, on other hand we can investigate the reasons of discontinuity, which makes this debate very actual.