I received notification on a 1:1 issue change, what does it mean?

ACCESS CORPORATE ACTION MANAGER

IBKR provides information to account holders on upcoming voluntary corporate actions within Client Portal. If you have been sent a notification regarding an open voluntary corporate action, use the button above or follow the below procedure to submit your election in the Corporate Action Manager:…

IBKR receives information regarding announced and effective mandatory and voluntary corporate actions from a number of external sources. The information is then passed on to clients on a best-efforts basis. On mandatory corporate action notifications, we do not review information prior to sending therefore we cannot guarantee the timeliness nor accuracy of the information…

Clients may obtain information on both mandatory and voluntary corporate actions from the Investor Relations department of the company involved.

In the event a voluntary corporate action is open for elections, IBKR will, on a best efforts basis, provide a summary of the offer along with the ability for clients to submit their election. In the event of a mandatory corporate action, IBKR will provide general notification of the action, but clients should contact the company directly for details…

An issue change is considered a mandatory corporate action. Clients do not need to take action on mandatory corporate actions. IBKR will process mandatory corporate actions on the effective date, or upon receipt of the new shares or funds from the depository or clearing agent…