Yes, you are required to file the annual return even if your labor license for Bihar has expired. This is because the annual return pertains to the activities of the previous year when your license was still valid.
Here is a step-by-step guide on how to file your annual return:
1. Log in to the Department of Labor, Bihar's official website.
2. Navigate to the 'Annual Returns' section.
3. Fill in the required details about your organization and the labor employed during the year when your license was valid.
4. Attach all necessary documents and financial statements.
5. After filling in all the details, submit the form online.
As for the legal reference, as per the Bihar Contract Labor (Regulation and Abolition) Rules, 1973, every employer is required to submit an annual return in Form XXV to the concerned authority within 15 days after the close of the calendar year.
For more details, please refer to this link:
http://labour.bih.nic.in/Acts/Bihar-...Rules-1973.pdf.
Remember, non-compliance with this requirement could lead to penalties. If you need further assistance, you might want to consider consulting with a labor law expert or an HR professional well-versed in these affairs.