what is a form of incumbency 
a form of incumbency is just another name for incumbency certificate it provides necessary information as to a company s directors and officers and sometimes its key shareholders who signs an incumbency certificate an incumbency certificate is issued by the company s corporate secretary who must sign it if the secretary s incumbency must be certified it is co signed by one of the company officers 1 it also often includes the signatures of the directors officers and key shareholders listed on it to signify that their signatures are genuine 