Section 44(2) in The Employees' State Insurance Act, 1948
(2)Where in respect of any factory or establishment the Corporation has reason to believe that a return should have been submitted under sub-section (1) but has not been so submitted, the Corporation may require any person in charge of the factory or establishment to furnish such particulars as it may consider necessary for the purpose of enabling the Corporation to decide whether the factory or establishment is a factory or establishment to which this Act applies.