What do you mean the annual report is undeclared?

This word means that no annual report has been submitted.

According to the Provisional Regulations on Enterprise Information Publicity, an enterprise shall submit the annual report of the previous year to the administrative department for industry and commerce through the national enterprise credit information publicity system from June 30th to/kloc-0 every year, and publicize it to the public.

The annual report is the legal obligation of the enterprise, and it is also the process of accumulating the credit status of the enterprise.