Időskori öngondoskodás vagy holtig tartó viszály?

Maintenance contracts have a prominent role in self-provision in old age. Due to their long-term and aleatory nature, these contracts entail significant risks for both parties, as the circumstances changing during the performance. The special rules on contract amendment in Section 6:495 of the Civil Code serve to handle this situations. The study places particular emphasis on the issue of supervening impossibility and its legal consequences.