Bye laws are those laws which are made by an organization or community for their proper working. This power of making their own laws for survival is given by some higher authority. e.g. the state governments are allowed to decide their bye-laws for their proper functioning or say municipal cooperation are allowed to make bye-laws for smooth functioning of the department. These bye-laws are also made in companies to control the actions of their members. These laws once made are obligatory to get approval from all its prospective members.
Damage means compensation for the loss suffered by the aggrieved party in breach of contract.
Abrogate generally refers to the formal annulment or repeal, cancellation or abolish either any law, right, custom or legal agreement through an act of authority.