The notice cannot be ratified by B, so as to be binding on A.

Termination of agency Termination of agency.-An agency is terminated by the principal revoking his authority ;or by the agent renouncing the business of the agency; or by the business of the agency being completed ;or by either the principal or agent dying or becoming of unsound mind ;or by the principal being adjudicated an Insolvent under the provisions of any Act, for the time, being in force for the relief of insolvent debtors.