49A ; 49A1 ; 49A11 [Grounds for avoidance ; Fundamental breach of contract (art. 49(1)(a)) ; Consequences of fundamental breach: art. 81];

61A [Summary of seller's remedies (cf. similar summary art. 45)];

64A ; 64A1 [Grounds for avoidance ; Fundamental breach of contract (art. 64(1)(a))]