64. Time for ratification.

Because ratification1 enables a principal to so extend his rights by seeking an advantage for himself beyond any that he would have in the absence of ratification2, the courts will not allow ratification to operate in such manner as to cause undue prejudice to a third party3. Thus, in order to be effective, the retrospective ratification of an agent's act must be made either within a period fixed by the nature of the particular case, or within a reasonable time, after which an act cannot be ratified to the prejudice of a third person4. Ratification cannot be made so