Investigative bodies must prepare a report each year. The first bill, the 2018 budget bill, stated that the registry spoke for companies. It's necessary to maintain an annual registry containing all the changes made.
On a going forward basis, corporations will have to maintain their registry of significant control, including any changes that are brought to their attention.
In terms of the investigative bodies, they'll have to file annually as to the number of records they've requested. In terms of how long they would keep them for, that would be subject to the particular laws that they're subject to on information management.
In this context, if an investigation continues, it's necessary for investigative bodies to maintain these documents.