National Visa Center. It gets the applications from USCIS that in turn deals with US embassies and consulates worldwide for consular processing.

National Vegetation Classification. A system used to identify different vegetation types

National Visa Center. Receives all approved green card petitions and green card lottery registrations directly from INS or the DOS. NVC initiates the final green card application process by sending forms and instructions to the applicant and forwarding the file to the appropriate U.S. consulate abroad.

Net Value Change. The sum of the changes in the value of natural resources affected by a fire. The basis for computing NVC is each resource's fire-induced value change (pluses and minuses) as computed and expressed on a per unit basis.

Norman Virus Control