During STEM Extension - Volunteer Job (Unpaid)

[visaquest]

Hi

 

Please help me by providing your expert opinion, references on the following question.

 

Can I work as a Volunteer (Unpaid) for 20hrs or more per week during mt 17 month STEM extension  (Extension already Approved) for eVerified Employer?

 

 

Appreciate your responses.

 

 

Thanks