1 Communications to Shareholders-A copy of every communication that is made to the shareholders whether it is via email, snail mail or facsimile should be kept in your corporate record book.2  List of Shareholders-Keep a list of current shareholders at all times.hese organizations can be found by an Internet search and will explain your state's corporate rules including record-keeping. Keep in mind your corporation is an entity more than likely created to protect you and your partners' personal liability.