All Factories excluding seasonal factories employing 10 or more person & working with power & employing 20 or more person & working without power & Shops Employing 20 or more persons.
As soon as the above conditions are fulfilled the employer should furnish in detailsin Form -01 for obtaining the employers code.
Every establishment which is a factory engaged in any industry specified in Schedule 1 and in which 20 or more persons are employed
Any other establishment employing 20 or more persons which central Government may by noticification specify in this behalf.
Any establishment employing even less than 20 persons can be covered voluntarily U/S 1(4) of the Act.