The NIW or National Interest Waiver or EB-2C type of immigrant visa is a type of visa where foreign national requests for the waiver of the requirement such as the offer of employment and labor certification in the process of employment-based immigration.
Applicants may file their labor certification directly with USCIS attached with Form I-140, i.e., Petition for Alien Worker, along with the petition materials such as petition letter, recommendation letters, and other documents discussed hereinafter.