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1987 J. S. Afr. L. 318 (1987)
Casum sentit dominus: Liability for Accidental Damages in Roman and Modern German Law of Property and Obligation

handle is hein.journals/jsouafl1987 and id is 336 raw text is: Casum sentit dominus: Liability for
accidental damages in Roman and
modern German law of property and
obligation*
ANDREAS WACKE**
I Introduction
1 The maxim casum sentit dominus (accident is felt by the owner) or, in other
words res perit domino (the thing is lost to its master; its loss concerns the
owner) was and is often viewed critically. In Claassen's useful four-volume
Dictionary of Legal Words and Phrases, published a decade ago, we read:
There is no general rule of law that res perit domino. It is merely self evident
platitude.' A century ago in Germany, the leading Pandectist authors
Bernhard Windscheid and Heinrich Dernburg were equally critical and
reserved, characterizing the rule as unsustainable, useless and in such
general form incorrect.' Due to such objections the German BGB-legislator
understandably abstained from explicitly adopting the dogma into the code.
Published almost a century earlier, the Austrian Allgemeine Biirgerliche
Gesetzbuch of 1811 has its roots in the period of Vernunftrecht, that is the law
of reason or natural law. Its creators had fewer scruples in formulating
general principles. Paragraph 1311 ABGB states: Mere accident lies with the
person whose asset or personal integrity is affected. Article 1105 of the
Spanish C6digo Civil provides a similar rule in more concrete wording. It may
be translated as follows: Unless explicitly stated otherwise by law or by
contract, nobody is liable for occurrences which were not foreseeable, or
were foreseeable yet inevitable. General legal proclamations of such kind
admittedly do not state any rule of immediate practicability. Nevertheless,
they do not appear to be worthless. They rather inspire legal teaching and, in
particular, they force commentators of codes to define the extent of
application of such principles precisely. Since there is no equivalent rule in
the German statutes, there is insufficient emphasis on the prerequisites
necessary to put the burden of accidental damage on the owner. It has always
been the extreme application of our Latin maxim that caused the objections
of critics; for numerous cases are known in which casum non sentit
dominus. These exceptions, however, do not justify rejecting the principle
as such; instead, they are explicable for reasons given below.
2 Firstly, casum sentit dominus contains the pre-legal description of the
axiomatic fact that at least in the first place it is the owner who suffers the
* A shortened and revised English version of my German article Gefahrerh6hung als
Besitzerverschulden, In Festschrift Heinz Hiibner (Berlin/New York 1984) 669-695, to which
I refer for further particulars. The following text has been delivered as guest lecture in April
1986 at the Universities of Cape Town and Pretoria.
* Professor in Law, University of Cologne.
Claassen (1977) 6.
Windscheid-Kipp II Pandekten (1906) § 264n5; similarly Dernburg-Sokolowski II Pandekten
(1912) § 301n3.
318

TSAR 1987-3

[ISSN 0257-77471

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