It is a recognised principle of property law that ownership does not confer absolute and unlimited entitlement on the owner, but that various limitations exist in the interest of the community and for the benefit of other people.
The most important limitation on the owner in the interest of the community as a whole is the payment of taxes to the state in respect of certain movable and immovable property. In the case of immovable property several measures make land available to a larger section of the community, which implies that the restitution of land rights and the provision of land will require measures for expropriation. Furthermore, a number of provisions deal with environmental conservation and physical planning which limit the owner’s entitlement in the interest of the community. Limiting measures in the case of moveable property prohibit the use of such property to the detriment of the community, for instance motor vehicles, fire-arms and dependence-producing substances.
There are also measures which limit the owner’s entitlement, not in the interest of the community, but in the interest of other individuals. The best known example in this case is neighbour law, which implies that the owner may not use his land in such a way that it constitutes an unreasonable burden on his neighbours. The criterion of reasonableness determines that, in these circumstances, the owner of immovable property may exercise his entitlements within reasonable bounds, and that the neighbouring owner or occupier must tolerate the owner’s exercise of his entitlements within reasonable bounds.
Other examples of the application of the criterion of reasonableness in the case of neighbour law are the obligation to lateral and surface support, measures dealing with encroachments, the mutual obligation regarding the natural flow of water and the elimination of danger.
Other people besides the owner may acquire entitlements (for instance use rights) in respect of the moveable or immovable property of the owner. Holders of limited real rights acquire entitlements in respect of the asset, which limits the owner’s ownership (dominium) as they burden the property. It is therefore enforceable against the owner and his successors in title. Certain creditors’ rights may also result in people acquiring entitlements in respect of the owner’s property. These rights are, however, only enforceable against the owner personally and do not burden the property as such, therefore it is not enforceable against successors in title.